1. Centers for Behavioral and Preventative Medicine, The Miriam Hospital, Providence, Rhode Island.
2. Department of Psychiatry and Human Behavior, Brown University, Providence, Rhode Island.
3. Department of Behavioral and Social Sciences, Brown University, Providence, Rhode Island.
4. Department of Psychology, University of Massachusetts, Boston, Massachusetts.
5. The Fenway Institute, Fenway Health, Boston, Massachusetts.
6. Center for Alcohol and Addiction Studies, Brown University, Providence, Rhode Island.
7. Department of Health Behavior and Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan.
8. Department of Psychology, University of Washington, Seattle, Washington.