1. Research Institute for Development; Paris Descartes and Sorbonne Universities; Paris France
2. Health Sciences Research Institute; Ouagadougou Burkina Faso
3. Department of Obstetrics and Gynaecology; University of Sherbrooke; Sherbrooke QC Canada
4. Department of Obstetrics and Gynaecology; Laval University; Quebec QC Canada
5. URFOSAME; Referral Health Centee of the Commune V; Bamako Mali