| Affiliation: | 1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;2. Center for Drug Safety and Effectiveness, Johns Hopkins University, Baltimore, MD, USA;3. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;4. Center for Health Services and Outcomes Research, Johns Hopkins University, Baltimore, MD, USA;5. Division of General Internal Medicine, Department of Medicine, Johns Hopkins Medicine, Baltimore, MD, USA |
