1. From the Baylor College of Medicine and Houston AIDS Research Team (HART), Houston, TX (FV); the Harlem Hospital and Columbia University, New York, NY (SR and WES); the School of Public Health, University of Minnesota, Minneapolis, MN (CMM and GB); the Body Composition Unit of St. Luke’s–Roosevelt Hospital, Columbia University, New York, NY (JW and DK); the George Washington University and Vetera