1. Clinical Addiction Research and Education Unit, Section of General Internal Medicine, Department of Medicine, Boston Medical Center, Boston, Massachusetts, USA
2. Grayken Center for Addiction, Boston Medical Center, Boston, Massachusetts, USA
3. Clinical Addiction Research and Education Unit, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
4. Department of Community Health Sciences, Boston University School of Public Health, Boston, Massachusetts, USA
5. Department of Medicine, University of Washington, Seattle, Washington, USA
6. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA
7. Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
8. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
9. Department of Global Health, Emory University Rollins School of Public Health, Atlanta, Georgia, USA
10. Biostatistics and Epidemiology Data Analytics Center, Boston University School of Public Health, Boston, Massachusetts, USA