[1] Mbale Reg Hosp, Clin Res Unit, Mbale, Uganda
[2] Toronto Gen Hosp, Univ Hlth Network, Dept Med, Toronto, ON, Canada
[3] Cincinnati Childrens Hosp Med Ctr, Div Hematol, Cincinnati, OH 45229 USA
[4] Cincinnati Childrens Hosp Med Ctr, Global Hlth Ctr, Cincinnati, OH 45229 USA
[5] Hosp Pediat David Bernardino, Luanda, Angola
[6] Cohen Childrens Med Ctr, Northwell Hlth, New Hyde Pk, NY USA
[7] Ctr Hosp Monkole, Kinshasa, DEM REP CONGO
[8] KEMRI Wellcome Trust Programme, Kilifi, Kenya
[9] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA