[1] Makerere Univ, Dept Paediat & Child Hlth, Fac Med, Kampala, Uganda
[2] Mulago Hosp, Dept Paediat & Child Hlth, Kampala, Uganda
[3] WHO Country Off, Kampala, Uganda
[4] Erasmus MC, Dept Virol, Rotterdam, Netherlands
[5] Uganda Virus Res Inst, Minist Hlth, Entebbe, Uganda
[6] Makerere Univ, Dept Med, Kampala, Uganda