1. Addiction Medicine, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
2. Biostatistics and Epidemiology Data Analytics Center, Boston University School of Public Health, Boston, Massachusetts
3. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
4. Grayken Center for Addiction, Clinical Addiction Research and Education Unit, Section of General Internal Medicine, Boston University School of Medicine and Boston Medical Center, Boston, Massachusetts
5. Department of Community Health Sciences, Boston University School of Public Health, Boston, Massachusetts