1. Department of Social Behavioral Sciences, Boston University School of Public Health, Boston, Massachusetts, USA
2. Clinical Addiction Research and Education (CARE) Unit, Section of General Internal Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts, USA
3. Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA
4. Youth Alcohol Prevention Center, Boston University School of Public Health, Boston, Massachusetts, USA
5. Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA
6. Data Coordinating Center, Boston University School of Public Health, Boston, Massachusetts, USA