1. College of Environmental Science and Engineering; Hunan University; Changsha People's Republic of China
2. Key Laboratory of Environmental Biology and Pollution Control, Hunan University; Ministry of Education; Changsha People's Republic of China
3. South China Institute of Environment Sciences; MEP; Guangzhou People's Republic of China
4. School of Environmental Science and Engineering of Sun Yat-sen University; Guangzhou People's Republic of China