1. Department of Civil Engineering, National University of Singapore
2. Centre of Innovation in Environmental and Water Technology, Ngee Ann Polytechnic
3. Department of Environmental Engineering, National Cheng Kung University
4. Department of Life Sciences, National Cheng Kung University
5. Energy and Environment Research Laboratories, Industrial Technology Research Institute
6. Division of Environmental Science and Engineering, National University of Singapore
7. Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign