1. College of Art and Built Environment, Kwame Nkrumah University of Science and Technology, PMB University Post Office, Kumasi, Ghana
2. Department of Environmental Sciences, Aarhus University, Frederiksborgvej 399, P.O. Box 358, DK-4000 Roskilde, Denmark
3. CSIR-Food Research Institute, P.O. Box M 20, Accra, Ghana
4. CSIR-Water Research Institute, P.O. Box M 32, Accra, Ghana
5. Water Resources Commission of Ghana, P.O. Box CT 5630, Cantonment, Accra, Ghana