1. Department of Medicine, Center for Behavioral Cardiovascular Health, Columbia University Medical Center, New York, NY, USA
2. Department of Family and Community Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
3. Williams LifeSkills, Inc., Durham, NC, USA
4. Psychiatry and Behavioral Science, Duke University Medical Center, Durham, NC, USA
5. Department of Biobehavioral Health, Pennsylvania State University, State College, PA, USA