1. Regional Water and Environmental Sanitation Centre, Department of Civil Engineering, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ashanti, Ghana
2. Department of Epidemiology and Biostatistics, School of Public Health, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ashanti, Ghana
3. Department of Planning, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana