[1] Doctors Borders USA, New York, NY 10001 USA
[2] McCord Hosp, Durban, South Africa
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Stanford Univ, Div Infect Dis & Geog Med, Palo Alto, CA 94304 USA
[5] Zoe Life, Durban, South Africa
[6] Brigham & Womens Hosp, Sect Retroviral Therapeut, Boston, MA 02115 USA
[7] Harvard Univ, Sch Publ Hlth, Ctr Biostat AIDS Res, Boston, MA 02115 USA