1. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
2. Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
3. Center for Clinical and Outcomes Research, Kaiser Permanente Georgia, Atlanta, GA, USA
4. The Evidence Space, Hamilton, Bermuda
5. Office of New Drugs, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, USA
6. Office of Biostatistics, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, USA
7. Vanderbilt University School of Medicine, Department of Medicine and Biostatistics, Nashville, TN, USA
8. Office of Pharmacovigilance and Epidemiology, Office of Surveillance and Epidemiology, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA