1Disease Control and Environmental Health Department;
School of Public Health;
College of Health Sciences;
Makerere University;
Kampala;
Uganda;
Department of Sociology;
College of Humanities and Social Sciences;
Makerere University;
Kampala;
Uganda;
Department of Water Resources Engineering;
College of Engineering and Technology;
University of Dar es Salaam;
Dar es Salaam;
Tanzania;
Disease Control and Environmental Health Department;
School of Public Health;
College of Health Sciences;
Makerere University;
Kampala;
Uganda;