1. Department of Restorative Dentistry; College of Health Sciences; University of Ghana Dental School; Accra Ghana
2. Department of Community Health; College of Health Sciences; University of Ghana Medical School; Accra Ghana
3. Department of Social and Behavioral Sciences; School of Public Health, College of Health Sciences; University of Ghana; Accra Ghana
4. Department of Community Health; College of Health Sciences; Kwame Nkrumah University of Science and Technology; Kumasi Ghana
5. Nutrition Department, Noguchi Memorial Institute of Research; College of Health Sciences; University of Ghana; Accra Ghana
6. Multi-Country Studies Unit; World Health Organization; Geneva Switzerland
7. University of Newcastle Research Centre on Gender, Health and Ageing; Newcastle New South Wales Australia