1. Department of Medicine, Section of General Internal Medicine, Boston Medical Center, Clinical Addiction Research and Education (CARE) Unit, Boston, Massachusetts
2. Department of Medicine, Section of Infectious Diseases, Boston University School of Medicine/Boston Medical Center, Boston, Massachusetts
3. Biostatistics and Epidemiology Data Analytics Center (BEDAC), Boston University School of Public Health, Boston, Massachusetts
4. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
5. First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russian Federation
6. Department of Medicine, University of California San Francisco, San Francisco, California
7. Department of Medicine, Section of General Internal Medicine, University of Washington School of Medicine and Harborview Hospital, Seattle, Washington
8. Department of Medicine, Mbarara Regional Referral Hospital, Mbarara, Uganda
9. HIV/AIDS Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
10. Department of Community Health Sciences, Boston University School of Public Health, Boston, Massachusetts
11. Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California