1. From the Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore (DR, DH, VR); the Neuropsychiatric Clinic at Carolina Partners, Durham, N.C. (SV); the Department of Community and Family Medicine, Duke University School of Medicine, Durham, N.C. (SV); and the Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, N.C. (SV).