1. Fred N. Binka School of Public Health, University of Health and Allied Sciences , Hohoe , Ghana
2. Department of Health Promotion, Education and Disability Studies, School of Public Health, Kwame Nkrumah University of Science and Technology , Kumasi , Ghana
3. Department of Health Policy, Management and Economics, School of Public Health, Kwame Nkrumah University of Science and Technology , Kumasi , Ghana
4. Center for Social Research in Health, UNSW Sydney , Sydney, NSW 2052 , Australia
5. Department of Family Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
6. Department of Social and Behavioural Science, School of Public Health, University of Ghana , Legon- Accra , Ghana