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Constructing ”behavioral” comparison groups: a difference-in-difference analysis of the effect of copayment based on the patient’s price elasticity

Eval Health Prof 37:434-456. National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan It is well known that the differences-in-differences (DD) estimator is based […]

Revisiting the economic efficiencies of observation units

Manag Care 24:46-52. University of Texas, Houston, TX, USA; Michael E. DeBakey Veterans Affairs Medical Center HSR&D, Houston, TX, USA; Baylor College of Medicine, Houston, […]

Profiling resource use: do different outcomes affect assessments of provider efficiency?

Am J Manag Care 8:1105-1115. Center for Health Quality, Outcomes and Economic Research, Bedford Veterans Affairs Medical Center, Bedford, MA, USA OBJECTIVES: To examine whether […]

The case for case-mix adjustment in practice profiling. When good apples look bad

JAMA 272:871-874. Harvard Community Health Plan, Brookline, MA, USA OBJECTIVE: To assess the influence of patient characteristics on practice profiling. Using the example of specialty […]

The patient-centered medical home and associations with health care quality and utilization: a 5-year cohort study

Ann Intern Med 164:395-405. Weill Cornell Medical College, New York, NY, USA BACKGROUND: Effects of the patient-centered medical home (PCMH) are unclear. Previous studies had […]

Association between electronic health records and health care utilization

Appl Clin Inform 6:42-55. Weill Cornell Medical College, New York, NY, USA BACKGROUND: The federal government is investing approximately $20 billion in electronic health records […]

Indication for pharmacological treatment is often lacking: a cross-sectional study on the quality of drug therapy among the elderly

BMC Geriatr 15:117. Lund University, Malmö, Sweden; Stanford University School of Medicine, Stanford, CA, USA; University of Southern Denmark, Odense C, Denmark BACKGROUND: Although the […]

Infliximab in ulcerative colitis: the impact of preoperative treatment on rates of colectomy and prescribing practices in the province of British Columbia, Canada

Dis Colon Rectum 57:83-90. University of British Columbia, Vancouver, BC, Canada BACKGROUND: Approximately 20% of patients with ulcerative colitis will require surgical treatment. Recent data […]

Effect of practice variation on resource utilization in infants hospitalized for viral lower respiratory illness.

Pediatrics 108:851-855. University of Virginia Children’s Medical Center, Charlottesville, Virginia, USA OBJECTIVE: Hospital care for children with viral lower respiratory illness (VLRI) is highly variable, […]

Benefits and pitfalls in applying the experience of prepaid group practices to the U.S. physician supply

Health Aff W4:73-75. Center for Health Workforce Studies, School of Public Health, University at Albany, State University of New York, Rensselaer, NY, USA The paper […]

Does a diagnosis of schizophrenia reduce rates of mammography screening? A Manitoba population-based study

Schizophr Res 113:95-100. Department of Psychiatry, University of Manitoba, CancerCare Manitoba, Winnipeg, MB, Canada It is estimated that mammography screening can reduce mortality from breast […]

Using multiple data features improved the validity of osteoporosis case ascertainment from administrative databases.

J Clin Epidemiol 61:1250-1260. Manitoba Centre for Health Policy, University of Manitoba, Winnipeg, MB, Canada OBJECTIVES: The aim was to construct and validate algorithms for […]

Risk adjustment in health insurance exchanges for individuals with mental illness

Am J Psychiatry 169:704-709. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA OBJECTIVE: In 2014, an estimated […]

Prevalence of health problems and primary care physicians’ specialty referral decisions

J Fam Pract 50:427-432. Health Services Research and Development Center, Department of Health Policy and Management, Johns Hopkins School of Hygiene and Public Health, Baltimore, […]

Early dropout from psychotherapy for depression with group- and network-model therapists

Adm Policy Ment Health 39:440-447. Group Health Research Institute, Seattle, WA, USA Administrative data were used to examine early dropout among 16,451 health plan members […]

Using the Johns Hopkins Aggregated Diagnosis Groups (ADGs) to predict mortality in a population-based cohort of adults with schizophrenia in Ontario, Canada

Psychiatry Res 196:32-37. Institute for Clinical Evaluative Sciences, University of Toronto, Toronto, ON, Canad Administrative health care databases are increasingly used for health services and […]

Multimorbidity patterns in primary care: interactions among chronic diseases using factor analysis

PLoS One 7:e32190. IIS Aragón, Aragón Health Sciences Institute, Miguel Servet University Hospital, University of Zaragoza, Zaragoza, Spain OBJECTIVES: The primary objective of this study […]

The effect of capitation on switching primary care physicians

Health Serv Res 38:191-209. University of Rochester School of Medicine and Dentistry, Department of Community and Preventive Medicine, Rochester, NY, USA OBJECTIVE: To examine the […]

How well do Ambulatory Care Groups predict expenditures on mental health and substance abuse patients?

Adm Policy Ment Health 24:339-357. Department of Health Care Policy, Harvard Medical School, Boston, MA, USA This paper evaluates the ability of Ambulatory Care Groups […]

Stratification of the population in the Basque Country: results in the first year of implementation

Aten Primaria 45:54-60. Published in Spanish. Instituto Vasco de Innovación Sanitaria, Sondika, Bizkaia, Spain Predictive models allow populations to be stratified according to their health […]

Triumph of hope over experience: learning from interventions to reduce avoidable hospital admissions identified through an Academic Health and Social Care Network

BMC Health Serv Res 12:153. Department of Health Care Management and Policy, University of Surrey, Guildford, UK BACKGROUND: Internationally health services are facing increasing demands […]

Comorbidity-based payment methodology for Medicaid enrollees with HIV/AIDS

Health Care Financ Rev 23:53-68. Center for Health Program Development and Management, University of Maryland Baltimore County, Baltimore, MD, USA Managed care organizations (MCOs) may […]

Monitoring the prevalence of chronic conditions: which data should we use?

BMC Health Serv Res 12:365. Osakidetza, Basque Health Service, C/ Alava n° 45, Vitoria-Gazteiz, Spain BACKGROUND: Chronic diseases are an increasing threat to people’s health […]

Effect of patient socioeconomic status on physician profiles for prevention, disease management, and diagnostic testing costs

Med Care 40:717-724. Department of Family and Community Medicine, University of California School of Medicine, Davis, CA, USA BACKGROUND: Previous research shows patient socioeconomic status […]

Medical and pharmacy expenditures after implementation of a cyclooxygenase-2 inhibitor prior authorization program

Pharmacotherapy 25:924-934. Medical and Pharmacy Integration Services, Prime Therapeutics, LLC, Eagan, MN, USA STUDY OBJECTIVE: To evaluate the effects of a cyclooxygenase (COX)-2 inhibitor prior […]

The MMPI-2: a contemporary normative study of midwestern family medicine outpatients

J Clin Psychol Med Settings 15:98-119. Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA For more than 60 years it has been known […]

Relationships between physical activity and perceived qualities of life in old age

Results of the SNAC study. Aging Ment Health 13:1-8. School of Social Science, Vaxjo University, Vaxjo, Sweden OBJECTIVES: The aim of the present study was […]

Impact of morbidity, resource use and costs on maintenance of remission of major depression in Spain: a longitudinal study in a population setting

Gac Sanit 24:13-19. Published in Spanish. Dirección de Planificación, Badalona Serveis Assistencials S.A., Badalona, Barcelona, Spain OBJECTIVE: To determinate the impact of comorbidity, resource use […]

A population-based study of the association between socioeconomic status and emergency department utilization in Ontario, Canada

Acad Emerg Med 18:836-843. Division of Emergency Medicine, Department of Medicine, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada OBJECTIVES: The […]

Complementary and alternative medicine provider use and expenditures by cancer treatment phase

Am J Manag Care 14:326-334. Department of Health Services, School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA OBJECTIVE: To assess […]

A comparison of health care use for physician-referred and self-referred episodes of outpatient physical therapy

Health Serv Res 47:633-654. Center for Public Health Statistics, University of Iowa, Iowa City, IA, USA OBJECTIVE: To compare patient profiles and health care use […]

A population-based description of atrial fibrillation in the emergency department, 2002 to 2010

Ann Emerg Med 62:570-577. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; […]

Preeclampsia as a risk factor for diabetes: a population-based cohort study

PLoS Med 10:e1001425. Department of Medicine, University of Toronto, Toronto, ON, Canada BACKGROUND: Women with preeclampsia (PEC) and gestational hypertension (GH) exhibit insulin resistance during […]

Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among elderly adults during the 2010-2011 season

Clin Infect Dis 57:820-827. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Although annual influenza immunization is recommended for adults aged ≥65 years due […]

Morbidity and costs associated to neurological disorders

Neurologia 28:126-129. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain La presencia de múltiples enfermedades es frecuente en edades avanzadas, y diferentes estudios poblacionales […]

Pneumococcal vaccine targeting strategy for older adults: Customized risk profiling

Vaccine 32:990-995. Clalit Research Institute, Tel Aviv, Israel BACKGROUND: Current pneumococcal vaccine campaigns take a broad, primarily age-based approach to immunization targeting, overlooking many clinical […]

Prevalence and costs of multimorbidity by deprivation levels in the Basque country: a population based study using health administrative databases

PLoS One 9:e89787. Basque Health Service, Erandio, Bizkaia, Spain; Basque Institute for Healthcare Innovation, Sondika, Bizkaia, Spain; Universidad Complutense de Madrid, Madrid, Spain; Australian National […]

A qualitative study on clinicians’ perceptions about the implementation of a population risk stratification tool in primary care practice of the Basque Health Service

BMC Fam Pract 15:150. Basque Institute for Healthcare Innovation, Bizkaia, Spain BACKGROUND: A prospective Population Risk Stratification (PRS) tool was first introduced in the public […]

Adjusted Clinical Groups Method (ACG) to allocate resources according to the disease burden of each health center

Santelices C E, Muñoz P F, Muñiz P, Rojas J. BACKGROUND: Health care must be provided with strong primary health care models, emphasizing prevention and a […]

Efficiency assessment of primary care providers: a conditional nonparametric approach

Eur J Operational Res 240:235-244. Universidad de Extremadura, Badajoz, Spain; Basque Institute for Healthcare Innovation, Sondika, Spain; Osakidetza, Basque Health Service, Erandio, Spain This paper […]

The Ontario MedsCheck Diabetes pharmacist medication review service: a descriptive analysis of service recipients between 2010-2014 using administrative claims data

Canadian Association for Population Therapeutics Conference, November 2015, Toronto, ON, Canada. A MedsCheck Diabetes (MCD) consultation is a pharmacist-led medication review service funded by the […]

Population-level costs and resource utilization of homecare for persons with Alzheimer’s disease

J Popul Ther Clin Pharmacol 21:pe120. Background: The aging population in Ontario is accompanied by an increased incidence and prevalence of Alzheimer’s disease (AD). Given […]

Working well – the Texas demonstration to maintain independence and employment: 18-month outcomes

Journal of Vocational Rehabilitation 34:97-106. Addiction Research Institute, Center for Social Work Research, University of Texas at Austin, Austin, TX, USA Uninsured working adults with […]

Chronic conditions and co-morbidity among residents of British Columbia

Centre for Health Services and Policy Research, University of British Columbia. Centre for Health Services and Policy Research, University of British Columbia, Vancouver, BC, Canada […]

Using health research in policy and practice: case studies from nine countries

New York, NY, USA: Academy Health/Milbank Memorial Fund. Academy Health/Milbank Memorial Fund, New York, NY, USA As the move toward an evidence-based approach to health […]

Description, behavior, use and methodology used to measure case mix in our primary health care system: the Ambulatory Care Groups (ACGs)

Barcelona, Spain: Fundacio Salut, Empresa i Economia. Published in Spanish. Fundacio Salut, Empresa i Economia, Barcelona, Spain No abstract

Analysing performance of primary health care using the ACG case-mix system

Malmo, Sweden: Lund University (doctoral dissertation). Lund University, Malmo, Sweden The overall aim of this thesis was to analyse the importance of co-morbidity level for […]

The epidemiology and outcomes of critical illness in Manitoba

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada This report was conducted at the Manitoba Centre for […]

Addition of pharmacy cost data improves performance of the Adjusted Clinical Groups predictive model for total health care costs overall and within disease specific groups

Value in Health 7:371. AdvancePCS, Hunt Valley, MD, USA OBJECTIVE: To determine the effect of adding the pharmacy cost data option to the Adjusted Clinical […]

Burden of morbidity in a patient perspective – the case of sick-leave certified patients in primary care

BMC Public Health 9:157. Data on morbidity in Sweden are based on numbers of diagnoses, classified by the WHO system, the International Statistical Classification of […]

Using risk adjustment approaches in child welfare performance measurement: applications and insights from health and mental health settings

Child Youth Serv Rev 32:103-112. Washington University in St. Louis, St. Louis, MO, USA Federal policymaking in the last decade has dramatically expanded performance measurement […]

Predicting the financial risks of seriously ill patients

Sacramento, CA, USA: California Health Care Foundation. In this paper, a Medical Productivity Index (MPI) is proposed as such a metric to capture the value […]

Empirical studies in the economics of health insurance, health, and fertility

Princeton, NJ, USA: Princeton University (doctoral dissertation) Princeton University, Princeton, NJ, USA This thesis is a collection of essays in the economics of health insurance, […]

A simple but efficient approach to the analysis of multilevel data

Health Economics Papers 2013:6. Odense, Denmark: University of Southern Denmark. University of Southern Denmark, Odense, Denmark Much research in health economics revolves around the analysis […]

Adjusted clinical groups: a patient classification system through risk adjustment

Rev Peru Med Exp Salud Publica 30:308-314. Published in Spanish. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain Adjusted Clinical Groups (ACG) are risk […]

High-Risk Case Identification for Use in Comprehensive Complex Care Management

  High-Risk Case Identification for Use in Comprehensive Complex Care Management Because patients with multiple chronic conditions require proactive, coordinated care management to effectively manage […]

Population Health Management through Care Coordination and Interventions

Population health management at JHHC represents a comprehensive approach to health care considering the distribution of health outcomes within a population, and the health determinants […]

Casemix and Quality

Hospital Authority Casemix and Quality – Are they rivals or partners? Dr. K.H. Lee

Tuesday-Managing hospitalization risk-Terry and Oberg

Dovetail Managing Hospitalization Risk: Refining Patient Selection in a Care Transitions Program Lara Terry, MD. Jeff Oberg

Monday-US Health Reform-Abrams

Johns Hopkins ACG System Using ACGs to Support Risk Adjusted Premiums within the Health Insurance Exchange Chad Abrams

Monday-Advances in modeling risk-Thibodeau

Medica Leveraging the John Hopkins ACG Tool to Support Total Cost of Care Contracts Peter M. Thibodeau

Implementing the ACG risk within NHS

NHS Airedale, Bradford & Leeds Cluster Information Services Implementing the ACG risk of hospitalization model with NHS data: experiences from Leeds Dr Thomas Mason MA., […]

Using Predictive Modeling to Identify Readmission Risk

Johns Hopkins Bloomberg School of Public Health Using Predictive Modeling to Identify Readmission Risk K. Lemke

Monday(C3)-Geographically Identifying Expanded Diagnosis Clusters in the Hispanic/Latino Population —Thomas Ludden

Geographically Identifying Expanded Diagnosis Clusters in the Hispanic/Latino Population  —Thomas Ludden, Carolinas Healthcare System  

Wednesday(C9)-Swinging from a new tee – towards ‘The Extended Epidemiology’ by analysing the outcome from ACG processing in a County Council in Sweden

Swinging from a new tee – towards ‘The Extended Epidemiology’ by analysing the outcome from ACG processing in a County Council in Sweden —Ulf Börjesson, […]

Care Density: Amy Salls, DST Health Solutions

ACG System DST Health Solutions Care Density Amy Salls

The ACG System as a Common Language

Chad Abrams, Director of U.S. Operations, ACG System; describes common challenges around the world such as language differences, data quality, turning data into impact, and […]

Segmentation Case Study

Slough Clinical Commissioning Group (CCG), which covers a population of 143,000 in the UK, used the Johns Hopkins ACG System to conduct a population health analysis that generated several new insights. After just 18 months, unplanned hospitalizations were reduced by 18% and emergency department visits were reduced by 19%.

Apples and Oranges: Four Definitions of Multiple Chronic Conditions and their Relationship to 30-Day Hospital Readmission

OBJECTIVES: To determine the extent of agreement between four commonly used definitions of multiple chronic conditions (MCCs) and compare each definition’s ability to predict 30-day […]

Are we making a difference in primary care for adults with intellectual and developmental disabilities?

Abstract Objectives. To examine the impact of the dissemination of guidelines to physicians and of a population-level health communication intervention on the percentage of adults […]

Supplement to “Equilibria in Health Exchanges: Adverse Selection versus Reclassification Risk”

This online appendix has three sections.  The first presents details of the choice model estimation algorithm, as well as additional estimates from our primary specification […]

Repeat Emergency Department Visits for Individuals With Intellectual and Developmental Disabilities and Psychiatric Disorders

Abstract Although individuals with intellectual and developmental disabilities (IDD) and psychiatric concerns are more likely than others to visit hospital emergency departments (EDs), the frequency […]

Integrating Social and Behavioral Determinants of Health into Population Health Analytics: A Conceptual Framework and Suggested Road Map

Abstract There is growing recognition that social and behavioral risk factors impact population health outcomes. Interventions that target these risk factors can improve health outcomes. […]

Frailty, Implantable Cardioverter Defibrillators, and Mortality: a Systematic Review

Abstract   Background Evidence for the benefit of implantable cardioverter defibrillators (ICD) in preventing sudden cardiac death (SCD) in older adults is mixed; age alone […]

Impact of care provider network characteristics on patient outcomes: Usage of social network analysis and a multi-scale community detection

Abstract Objective We assess healthcare provider collaboration and the impact on patient outcomes using social network analysis, a multi-scale community detection algorithm, and generalized estimating […]

MS risk in immigrants in the McDonald era: A population-based study in Ontario, Canada

Abstract OBJECTIVE To determine risk factors for multiple sclerosis (MS) in immigrants and to compare MS risk in immigrants and long-term residents in Ontario, Canada. […]

Preoperative frailty predicts adverse short‐term postoperative outcomes in patients treated with radical nephroureterectomy

Abstract Background To investigate the effect of frailty on short‐term postoperative outcomes and total hospital charges (THCs) in patients with non‐metastatic upper urinary tract carcinoma, […]

Who is discharged to intermediate care facilities? An Italian study in the population of Udine

ABSTRACT The objective of this study was to assess complexity of patients discharged from hospital to intermediate care facility in an Italian setting. Multiple anonymous […]

Alive and at home: Five-year outcomes in older adults following emergency general surgery

Abstract BACKGROUND While the short-term risks of emergency general surgery (EGS) admission among older adults have been studied, little is known about long-term functional outcomes […]

Shorter Diagnosis-to-Treatment Interval in Diffuse Large B-Cell Lymphoma is Associated With Inferior Overall Survival in a Large, Population-Based Registry

Abstract Background Because of prolonged screening requirements, patient and time-dependent selection have been proposed as potential biases in clinical trials. The screening process may exclude […]

Association of Preexisting Disability With Severe Maternal Morbidity or Mortality in Ontario, Canada

Abstract Objective To determine the risk of severe maternal morbidity or mortality among women with a physical, sensory, or intellectual/developmental disability compared with women without […]

Integrating E-Prescribing and Pharmacy Claims Data for Predictive Modeling: Comparing Costs and Utilization of Health Plan Members Who Fill Their Initial Medications with Those Who Do Not

Abstract BACKGROUND Nonfilling of prescribed medications is a worldwide problem of serious concern. Studies of health care costs and utilization associated with medication nonadherence frequently […]

Delay of Pregnancy Among Physicians vs Nonphysicians

Abstract Importance Women physicians may delay childbearing and experience childlessness more often than nonphysicians, but existing knowledge is based largely on self-reported survey data. Objective […]

How different combinations of comorbidities affect healthcare use by elderly patients with obstructive lung disease

Abstract Objective Previous research had shown the number of comorbidities is a major factor influencing the burden of care for elderly patients with obstructive lung […]

Comparison of 4-Year Health Care Expenditures Associated With Roux-en-Y Gastric Bypass vs Sleeve Gastrectomy

Abstract Objective To compare 4-year health care expenditures after RYGB vs sleeve gastrectomy, identify factors independently associated with 4-year health care expenditures, and compare the […]

No Difference in Outcomes Between Short and Longer-Stay Total Joint Arthroplasty with a Discharge Home

Abstract Background: Outcomes following total hip arthroplasty (THA) and total knee arthroplasty (TKA) with a short length of hospital stay have been reported; however, most […]

Remote, proactive, telephone based management of toxicity in outpatients during adjuvant or neoadjuvant chemotherapy for early stage breast cancer: pragmatic, cluster randomised trial

Abstract Objective To evaluate the effectiveness of remote proactive management of toxicities during chemotherapy for early stage breast cancer. Design Pragmatic, cluster randomised trial. Setting […]

Case Study: The Distilling of a Biased Algorithmic Decision System through a Business Lens

Abstract Technological advances embedded within algorithmic decision systems are being deployed every day. Some of these investments are unquestionably worthwhile, while some others prioritize commercialization […]

The Effect of Depression on Paid Sick Leave due to Metabolic and Cardiovascular Disease in low-wage workers. (Depression and Sick Leave)

Abstract Background Colombia’s health system allows workers to claim paid sick leave due to health conditions, some of this conditions are related to metabolic and […]

Changing patterns of multimorbidity among patients with ambiguous diagnoses: The case of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Abstract Introduction Increased attention has been given to multimorbidity. This phenomenon often has been explored through associations between diseases based on the frequency of combinations […]

Improving Prediction of Risk of Admission to Long-Term Care or Mortality Among Home Care Users With IDD

ABSTRACT Background Frailty is an established predictor of admission into long-term care (LTC) and mortality in the elderly population. Assessment of frailty among adults with […]

Identifying High-Risk Medicare Advantage Enrollees

Early identification of high-risk members provides the opportunity to manage the complex needs of this population. After one month in the plan, more than 50% […]

Case Mix Adjustment in Practice

In this webinar, builds upon the introduction to the concept of case mix in the previous webinar and will share how case mix adjustment can […]

Improving the quality of outpatient care for older patients with diabetes: lessons from a comparison of rural and urban communities

J Fam Pract 50:676-680. University of Washington, Department of Family Medicine, Seattle, WA, USA OBJECTIVE: Our goal was to compare the quality of diabetic care […]

Why do physicians vary so widely in their referral rates?

J Gen Intern Med 15:163-168. Department of Family Medicine, University of Rochester, Rochester, NY, USA OBJECTIVE: To determine which physician practice and psychological factors contribute […]

Assessing population health care need using a claims-based ACG morbidity measure: a validation analysis in the province of Manitoba

Health Serv Res 37:1345-1364. Centre for Health Services and Policy Research, University of British Columbia, Vancouver, BC, Canada OBJECTIVES: To assess the ability of an […]

Health care costs, utilization and patterns of care following Lyme disease

PLoS One 10:e0116767. Johns Hopkins Bloomberg University, Baltimore, MD, USA BACKGROUND: Lyme disease is the most frequently reported vector borne infection in the United States. […]

Palliative care and the aggressiveness of end-of-life care in patients with advanced pancreatic cancer

J Natl Cancer Inst 107:p11: kju424. University Health Network, Toronto, ON, Canada; Institute of Medical Sciences, Toronto, ON, Canada BACKGROUND: We examined the impact of […]

Predicting costs of care using a pharmacy-based measure risk adjustment in a veteran population

Med Care 41:753-760. VA Puget Sound Health Care System, Seattle, WA, USA BACKGROUND: Although most widely used risk adjustment systems use diagnosis data to classify […]

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