[1] Harlem Hosp Med Ctr, New York, NY USA
[2] Columbia Univ, New York, NY USA
[3] Univ Minnesota, CRCPA, Stat & Data Management Ctr, Minneapolis, MN USA
[4] Columbia Univ, St Lukes Roosevelt Hosp, Body Composit Unit, New York, NY USA
[5] Denver Community Programs Clin Res AIDS, Denver, CO USA
[6] Washington Reg AIDS Program, Washington, DC USA
[7] Vet Affairs Med Ctr, San Francisco, CA 94121 USA
[8] St Vincents Hosp, Natl Ctr HIV Epidemiol & Clin Res, Sydney, NSW 2010, Australia