1. Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, RI, United States
2. Department of Psychiatry and Human Behavior, Alpert School of Medicine, Brown University, Providence, RI
3. Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI
4. Department of Medicine, Alpert School of Medicine, Brown University, Providence, RI
5. Department of Epidemiology, Brown University School of Public Health, Providence, RI
6. Chief of Cardiology, Providence VA Medical Center, Providence, RI
7. Medical Director, Center for Cardiac Fitness, The Miriam Hospital, Providence, RI, USA