[1] Univ Toronto, Dept Med, Toronto, ON, Canada
[2] Univ Felix Houphouet Boigny, Unite Format & Rech Biosci, Abidjan, Cote Ivoire
[3] Ctr Suisse Rech Sci Cote Ivoire, Abidjan, Cote Ivoire
[4] Swiss Trop & Publ Hlth Inst, Basel, Switzerland
[5] Univ Basel, Basel, Switzerland
[6] Stanford Univ, Sch Med, Div Infect Dis & Geog Med, Stanford, CA USA
[7] Stanford Univ, Sch Med, Div Epidemiol, Stanford, CA USA
[8] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA
[9] Toronto Gen Hosp, Div Gen Internal Med & Infect Dis, Toronto, ON, Canada