authors.affiliation: Association african solidarité, centre Muraz de Bobo Dioulasso, 2054, avenue Mamadou-Konate, 01 BP390 Ouagadougou, Burkina Faso. Electronic address: tertiero81@yahoo.fr.
authors.forename: T-T-E
authors.initials: TT
authors.lastname: Dah
authors.affiliation: Inserm U1219 et ISPED, centre Inserm Bordeaux Population Health, université de Bordeaux, Bordeaux, France.
authors.forename: J
authors.initials: J
authors.lastname: Orne-Gliemann
authors.affiliation: Initiatives conseil international-santé, Ouagadougou, Burkina Faso.
authors.forename: J-B
authors.initials: JB
authors.lastname: Guiard-Schmid
authors.affiliation: Inserm U1219 et ISPED, centre Inserm Bordeaux Population Health, université de Bordeaux, Bordeaux, France.
authors.forename: R
authors.initials: R
authors.lastname: Becquet
authors.affiliation: Ceped (UMR 196-université Descartes), institut de recherche pour le développement, Paris, France.
authors.forename: J
authors.initials: J
authors.lastname: Larmarange