1. Program in Statistical and Data Sciences, Smith College, Northampton, Massachusetts, USA.
2. Department of Health Services, Policy and Practice, Brown University School of Public Health, Providence, Rhode Island, USA.
3. Center for Alcohol and Addiction Studies, Brown University School of Public Health, Providence, Rhode Island, USA.
4. Department of Health Behavior and Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan, USA.
5. Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, Rhode Island, USA.