1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland
2. Department of Epidemiology, Gillings School of Global Public Health
3. Division of Infectious Diseases, School of Medicine, University of North Carolina at Chapel Hill
4. Division of Infectious Diseases, School of Medicine
5. Department of Global Health, Rollins School of Public Health, Emory University , Atlanta, Georgia
6. Department of Medicine, University of Calgary , Alberta , Canada
7. Mid-Atlantic Permanente Research Institute, Kaiser Permanente Mid-Atlantic States , Rockville, Maryland
8. Division of Research, Kaiser Permanente Northern California , Oakland
9. Department of Medicine and Department of Biostatistics, Vanderbilt University School of Medicine , Nashville, Tennessee
10. Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland