1. Songtaba Ghana, P.O. Box TL 24, Tamale, Ghana
2. BasicNeeds Ghana, P. O. Office Box TL 1140, Tamale, Ghana
3. Ghana Somubi Dwumadie, No. 6 Asoyi Crescent, East Legon, Accra, Ghana
4. Department of Social and Behavioural Sciences, School of Public Health, Post Office Box LG 13, College of Health Sciences, University of Ghana, Legon, Ghana