[1] Duke Univ, Dept Surg, Duke Human Vaccine Inst, Med Ctr,Sch Med, Durham, NC 27710 USA
[2] Duke Univ, Sch Med, Dept Med, Durham, NC 27710 USA
[3] Duke Univ, Sch Med, Dept Immunol, Durham, NC 27710 USA
[4] Fred Hutchinson Canc Res Ctr, Vaccine & Infect Dis Inst, Stat Ctr HIV AIDS Res, Seattle, WA 98104 USA
[5] Los Alamos Natl Lab, Theoret Biol & Biophys Grp, Los Alamos, NM USA
[6] Univ N Carolina, Chapel Hill, NC USA
[7] Univ Calif Irvine, Irvine, CA USA
[8] Univ Alabama Birmingham, Birmingham, AL USA
[9] Natl Inst Communicable Dis, Johannesburg, South Africa
[10] Univ KwaZulu Natal, Ctr AIDS Programme Res S Africa, Durban, South Africa
[11] Univ Maryland, Inst Human Virol, Div Epidemiol & Prevent, Baltimore, MD 21202 USA