1. Centers for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, RI, USA
2. Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, USA
3. Department of Family Medicine, Uniformed Services University of the Health Sciences School of Medicine, Bethesda, MD, USA
4. Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
5. Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, USA