1. Centre for Environmental Health and Engineering (CEHE), Department of Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Surrey, UK
2. Department of Agricultural and Environmental Engineering, School of Engineering Technology, Imo State Polytechnic, Owerri, Nigeria
3. Strategic Water Infrastructure Laboratory, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, Australia
4. Department of Community and Environmental Resources Planning, College of Human Ecology, University of the Philippines, Los Banos, Philippines