1. a University of Sri Lanka , Peradeniya, Sri Lanka
2. b Asian Institute of Technology , Bangkok, Thailand
3. c The Ohio State University , Columbus
4. d Principal Environmental Scientist, Department of Environmental Sciences , Battelle Memorial Institute , Columbus, Ohio
5. e Civil Eng., University of Maine , Orono
6. f Washington University , St. Louis, Missouri
7. g Dean, College of Engineering and Physical Sciences , University of New Hampshire , Durham