1. ICAP at Columbia University, Mailman School of Public Health,
2. Vagelos College of Physicians and Surgeons, and
3. HIV Center for Clinical and Behavioral Studies, New York State Psychiatric Institute, Columbia University, New York, New York;
4. Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, New York;
5. New York–Presbyterian Hospital/Columbia University Medical Center, New York, New York; and
6. Metropolitan Hospital Center, New York, New York