[1] Red Cross War Mem Childrens Hosp, Div Med Microbiol, Natl Hlth Lab Serv, Cape Town, South Africa
[2] Univ Cape Town, Cape Town, South Africa
[3] Univ Cape Town, Dept Paediat & Child Hlth, Paediat Infect Dis Unit, Cape Town, South Africa
[4] Red Cross War Mem Childrens Hosp, Cape Town, South Africa
[5] Univ Cape Town, Dept Surg, Div Neurosurg, Cape Town, South Africa
[6] Natl Inst Communicable Dis, Ctr Emerging Zoonot & Parasit Dis, Div Natl Hlth Lab Serv, Johannesburg, South Africa
[7] Univ Witwatersrand, Wits Res Inst Malaria, Johannesburg, South Africa
[8] Univ Cape Town, Dept Paediat & Child Hlth, Paediat Dermatol Unit, Cape Town, South Africa
[9] Univ Cape Town, Dept Radiol, Div Paediat Radiol, Cape Town, South Africa
[10] Univ Cape Town, Div Otolaryngol, Dept Surg, Cape Town, South Africa
[11] Red Cross War Mem Childrens Hosp, Div Anat Pathol, Natl Hlth Lab Serv, Cape Town, South Africa