1. Department of Population Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health , Baltimore, MD, USA
2. Soins Primaires et Prévention, CESP Centre for Research in Epidemiology and Population Health, U1018, INSERM , Villejuif, France
3. Statistics and Population Studies Department, University of the Western Cape , Cape Town, South Africa
4. Department of Community Medicine, College of Medicine, University of Ibadan , Ibadan, Nigeria
5. Patrick Kayembe Research Center, Kinshasa School of Public Health, University of Kinshasa , Kinshasa, Democratic Republic of Congo
6. Department of Community Health and Behavioral Sciences, School of Public Health, College of Health Sciences, Makerere University , Kampala, Uganda
7. Department of Epidemiology and Biostatistics, School of Public Health, College of Health Sciences, Makerere University , Kampala, Uganda
8. Institut Supérieur des Sciences de la Population, Joseph Ki-Zerbo University of Ouagadougou , Ouagadougou, Burkina Faso
9. Educational and Teaching Department, École Nationale de Statistiques et d’Economie Appliquee (ENSEA) , Abidjan, Cote d'Ivoire
10. Department of Environment and Health Sciences, Technical University of Mombasa , Mombasa, Kenya
11. Department of Public Health and Primary Care, Faculty of Medicine and Health Sciences, Ghent University , Ghent, Belgium