[1] Geneva Univ Hosp, Div Trop & Humanitarian Med, Rue Gabrielle Perret Gentil 6, CH-1205 Geneva, Switzerland
[2] Univ Geneva, Dept Med, Rue Michel Servet 1, CH-1205 Geneva, Switzerland
[3] Geneva Univ Hosp, Div Clin Pathol, Rue Michel Servet 1, CH-1205 Geneva, Switzerland
[4] Social Med Ctr Wale, Yamoussoukro, Cote Ivoire