[1] NOVA Univ Lisbon, Inst Hyg & Trop Med, Lisbon, Portugal
[2] Beatriz Angelo Hosp, Dept Pediat, Loures, Portugal
[3] Nova Univ Lisbon, Inst Hyg & Trop Med, Global Hlth & Trop Med, Lisbon, Portugal
[4] Nova Univ Lisbon, NOVA Med Sch, Lisbon, Portugal
[5] Dona Estefania Hosp, Dept Pediat, Lisbon, Portugal
[6] Univ Lisbon, Ctr Stat & Applicat, Lisbon, Portugal
[7] Z Stat4life, Lisbon, Portugal
[8] Univ Cape Town, Sch Publ Hlth, Vaccines Africa Initiat, Cape Town, South Africa
[9] Univ Cape Town, Inst Mol Med & Infect Dis IDM, Cape Town, South Africa
[10] Inst Higiene & Med Trop, Rua Junqueira 100, P-1349008 Lisbon, Portugal