1. Kaya Health and Demographic Surveillance System (Kaya‐HDSS) Research Institute of Health Sciences Ouagadougou Burkina Faso
2. Doctoral School Saint Thomas d'Aquin University Ouagadougou Burkina Faso
3. Department of Sexual and Reproductive Health and Research UNDP/UNFPA/UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP) World Health Organization Geneva Switzerland
4. Department of Obstetrics and Gynecology University of Ghana Medical School Accra Ghana
5. Biomedical and Public Health Department Research Institute of Health Sciences Ouagadougou Burkina Faso
6. College of Medicine University of Ibadan Ibadan Nigeria
7. Department of Epidemiology and Disease Control School of Public Health University of Ghana Accra Ghana
8. Department of Obstetrics and Gynecology College of Medicine University of Malawi Blantyre Malawi