1. Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
2. School of Science and Technology, The Hong Kong Metropolitan University, Kowloon, Hong Kong, China
3. State Key Laboratory of Marine Pollution and Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
4. Rural Non-point Source Pollution Comprehensive Management Technology Center of Guangdong Province, Guangzhou University, Guangzhou, China
5. Guangzhou Huibiao Testing Technology Center, Guangzhou, China