1. Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, Durham, North Carolina.
2. Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Duke University, Durham, North Carolina.
3. Division of General Internal Medicine, Department of Medicine, Duke University, Durham, North Carolina.
4. Home Telehealth Program, Durham Veterans Affairs Medical Center, Durham, North Carolina.
5. Department of Psychiatry and Behavioral Medicine, Duke University, Durham, North Carolina.
6. Mental Health Service, Durham Veterans Affairs Medical Center, Durham, North Carolina.
7. Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, North Carolina.