1. Social Science Department, Navrongo Health Research Centre, Ghana Health Service, Navrongo, Upper East, Ghana
2. Department of Community and Global Health, The University of Tokyo, Tokyo, Japan
3. Navrongo Health Research Centre, Research and Development Division, Ghana Health Service, Navrongo, Upper East, Ghana
4. Research & Development Division, Ghana Health Service, Accra, Ghana
5. Dodowa Health Research Centre, Research and Development Division, Ghana Health Service, Dodowa, Greater Accra, Ghana
6. Kintampo Health Research Centre, Research and Development Division, Ghana Health Service, Kintampo, Brong Ahafo, Ghana
7. Population Department, Navrongo Health Research Centre, Ghana Health Service, Navrongo, Upper East, Ghana
8. Maternal and Child Health Unit, Dodowa Health Research Centre, Ghana Health Service, Dodowa, Greater Accra, Ghana
9. Maternal and Child Health Unit, Kintampo Health Research Centre, Ghana Health Service, Kintampo, Brong Ahafo, Ghana
10. Ghana Health Service, Accra, Ghana
11. Japan International Cooperation Agency Health Section, Accra, Ghana
12. Dodowa Health Research Centre, Ghana Health Service, Dodowa, Greater Accra, Ghana
13. Dodowa Health Research Centre and Regional Institute for Population Studies, University of Ghana, Accra, Ghana
14. Maternal and Child Health Unit, Kintampo Health Research Centre, Kintampo, Brong Ahafo, Ghana
15. Office of International Academic Affairs, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, Japan
16. Research and Development Division, Ghana Health Service, Accra, Greater Accra, Ghana