[1] Karolinska Inst, Dept Publ Hlth Sci, Stockholm, Sweden
[2] MUHAS, Dept Pediat & Child Hlth, Dar Es Salaam, Tanzania
[3] MUHAS, Sch Publ Hlth, Dar Es Salaam, Tanzania
[4] MUHAS, Dept Obstet & Gynaecol, Dar Es Salaam, Tanzania
[5] Harvard TH Chan Sch Publ Hlth, Dept Global Hlth & Populat, Boston, MA USA
[6] AHRI, Mtubatuba, South Africa
[7] Heidelberg Univ, Inst Publ Hlth, Heidelberg, Germany
[8] Management & Dev Hlth MDH Org, Dar Es Salaam, Tanzania
[9] Karolinska Univ Hosp, Dept Infect Dis, Stockholm, Sweden