[1] Univ New S Wales, Natl Ctr HIV Epidemiol & Clin Res, Sydney, NSW, Australia
[2] St Vincents Hosp, Ctr Immunol, Sydney, NSW 2010, Australia
[3] St Vincents Hosp, Immunol & Infect Dis Clin Serv Unit, Sydney, NSW 2010, Australia
[4] Australian Federat AIDS Org, Newtown, NSW, Australia
[5] CSIRO, Div Livestock Ind, Australian Anim Hlth Lab, Geelong, Vic, Australia
[6] Sydney Childrens Hosp, Westfield Labs, Randwick, NSW, Australia
[7] Univ Melbourne, Dept Microbiol & Immunol, Parkville, Vic 3052, Australia
[8] Univ New S Wales, Natl Ctr HIV Social Res, Sydney, NSW, Australia
[9] Australian Natl Univ, John Curtin Sch Med, Div Cell Biol & Immunol, Canberra, ACT, Australia