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