[1] Univ Basel, Swiss Trop & Publ Hlth Inst, Basel, Switzerland
[2] Ifakara Hlth Inst, Dar Es Salaam, Tanzania
[3] Univ Lausanne Hosp, Infect Dis Serv, Lausanne, Switzerland
[4] Mwananyamala Hosp, Dar Es Salaam, Tanzania
[5] Univ Hosp Geneva, Geneva, Switzerland
[6] Dept Ambulatory Care & Community Med, Lausanne, Switzerland