Affiliation: | 1. Department of Health Services, Policy, and Practice, Brown University School of Public Health, Providence, Rhode Island, USA;2. Department of Health Services, Policy, and Practice, Brown University School of Public Health, Providence, Rhode Island, USA Center for Gerontology and Healthcare Research, Brown University School of Public Health, Providence, Rhode Island, USA;3. Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania, USA |