1. Department of Geography and Rural Development, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
2. Aging and Development Unit, African Population and Health Research Center, Nairobi, Kenya
3. National Centre for Naturopathic Medicine, Faculty of Health, Southern Cross University, Lismore, Australia
4. Department of Sociology and Social Work, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana