1. Division of Biostatistics & Epidemiology, Department of Public Health, School of Public Health & Health Sciences, University of Massachusetts, Amherst, Massachusetts.
2. Departments of Community Health and Psychiatry & Human Behavior, Brown Medical School and Centers for Behavioral and Preventive Medicine at The Miriam Hospital, Providence, Rhode Island.
3. Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, Illinois.
4. Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
5. Baystate Medical Center, Springfield, Massachusetts.