1. Division of Environment; Hong Kong University of Science and Technology; Kowloon Hong Kong
2. Department of Chemistry; Hong Kong University of Science and Technology; Kowloon Hong Kong
3. Environmental Protection Department; Wan Chai Hong Kong
4. Institute for the Environment; Hong Kong University of Science and Technology; Kowloon Hong Kong
5. Department of Chemical and Biomolecular Engineering; Hong Kong University of Science and Technology; Kowloon Hong Kong