1. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2. Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100190, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. Central Department of Microbiology, Tribhuvan University, GPO 44613 Kirtipur, Kathmandu, Nepal
5. Beijing Sino-science Gene Technology Company, Ltd., Beijing 102629, China
6. Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China