[1] Stanford Univ, Infect Dis, Stanford, CA 94305 USA
[2] Harvard Univ, Sch Publ Hlth, Ctr Biostat AIDS Res, Boston, MA 02115 USA
[3] Case Western Reserve Univ, Dept Pediat & Med, Cleveland, OH 44106 USA
[4] Univ Washington, Div Allergy & Infect Dis, Seattle, WA 98195 USA
[5] Ohio State Univ, Div Internal Med, Columbus, OH 43210 USA
[6] Univ Colorado, Div Infect Dis, Denver, CO 80202 USA
[7] Columbia Univ, Div Infect Dis, New York, NY USA
[8] New England Res Inst, Watertown, MA 02172 USA
[9] Viiv, Res Triangle Pk, NC USA
[10] Gilead Sci Inc, Med Sci, Foster City, CA 94404 USA
[11] Johns Hopkins Univ, Welch Ctr Prevent Epidemiol & Clin Res, Baltimore, MD USA