1. School of Energy and Environment City University of Hong Kong Hong Kong
2. Department of Mechanical Engineering University of Hong Kong Hong Kong
3. Department of Civil and Environmental Engineering The Hong Kong Polytechnic University Hong Kong
4. Division of Environment and Sustainability Hong Kong University of Science and Technology Hong Kong
5. Department of Epidemiology School of Public Health Southern Medical University Guangzhou 510632 P. R. China
6. Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes College of Life Science and Technology Jinan University Guangzhou 510632 P. R. China