Affiliation: | 1. Department of Medicine, University of Pennsylvania, Philadelphia, PA, USA;2. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA;3. Department of Population Health, Division of Health Care Delivery Science, NYU School of Medicine, New York, USA (Wharton School, University of Pennsylvania, Philadelphia, PA at the time of the study);4. School of Social Policy and Practice, University of Pennsylvania, Philadelphia, PA, USA |