[1] University of North Carolina At Chapel Hill,Division of Geriatric Medicine, Center for Aging and Health, School of Medicine
[2] University of North Carolina At Chapel Hill,Division of Pharmaceutical Outcomes and Policy
[3] Eshelman School of Pharmacy,Center for Health Equity Research and Promotion
[4] Veterans Affairs (VA) Pittsburgh Healthcare System,Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDROMS)
[5] VA Center for Medication Safety,undefined
[6] University of Pittsburgh School of Pharmacy,undefined
[7] University of Oxford,undefined