| Affiliation: | 1. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;2. Center for Drug Safety and Effectiveness, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;3. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;4. Centers for Disease Control and Prevention, National Center for Injury Prevention and Control, Atlanta, GA, USA;5. Division of General Internal Medicine, Johns Hopkins Medicine, Baltimore, MD, USA |
