1. Center for Evidence-Based Practice, University of Pennsylvania, Philadelphia, Pennsylvania; 2. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania; 3. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania; 4. Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
Address correspondence to Craig A. Umscheid, MD, MSCE, Assistant Professor of Medicine and Epidemiology, Director, Center for Evidence-Based Practice, Senior Scholar, Center for Clinical Epidemiology and Biostatistics, Senior Fellow, Leonard Davis Institute of Health Economics, University of Pennsylvania, 3535 Market Street, Mezzanine, Suite 50, Philadelphia, PA 19104 ([email protected]).
