1. School of Family Life, Brigham Young University, Provo, Utah.
2. Departments of Psychiatry and Medicine, SUNY Upstate Medical University, Syracuse, New York.
3. Department of Medicine, SUNY Upstate Medical University, Syracuse, New York.
4. Department of Medicine, Columbia University, New York, New York.
5. Departments of Medicine and Biomedical Informatics, and the Joseph Mailman School of Public Health, Columbia University, New York, New York.
6. Department of Medicine, SUNY Upstate Medical University, Syracuse, New York, Department of Veterans Affairs Medical Center, Syracuse, New York.