1. Mongan Institute Health Policy Research Center, Massachusetts General Hospital, Boston
2. Tobacco Research and Treatment Center, Massachusetts General Hospital, Boston
3. Harvard Medical School, Boston, Massachusetts
4. Division of General Internal Medicine, Massachusetts General Hospital, Boston
5. Health Promotion and Resiliency Intervention Research Program, Massachusetts General Hospital, Boston
6. Department of Psychiatry, Massachusetts General Hospital, Boston
7. MGH Biostatistics Center, Massachusetts General Hospital, Boston
8. Department of Psychology, University of Cincinnati, Cincinnati, Ohio
9. Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York