[1] Makerere Univ, Infect Dis Inst, Kampala, Uganda
[2] Academ Alliance AIDS Care & Prevent Africa, Kampala, Uganda
[3] Inst Trop Med, Antwerp, Belgium
[4] Univ Antwerp, B-2020 Antwerp, Belgium
[5] Univ Manitoba, Winnipeg, MB R3T 2N2, Canada
[6] Univ Utah, Sch Med, Salt Lake City, UT 84112 USA