1. Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia
2. Atlanta Veterans Affairs Medical Center, Decatur, Georgia
3. Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
4. Veterans Affairs Connecticut Healthcare System, US Department of Veterans Affairs, West Haven
5. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
6. Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles
7. Veterans Affairs Greater Los Angeles Health Care System, US Department of Veterans Affairs, Los Angeles, California
8. Yale Program in Addiction Medicine, Yale School of Medicine, New Haven, Connecticut
9. Yale School of Public Health, New Haven, Connecticut
10. Division of Infectious Diseases, Department of Medicine and Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia