1. Environmental Microbiome Engineering and Biotechnology Laboratory, Center for Environmental Engineering Research, Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong SAR 999077, China
2. School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Sassoon Road, Hong Kong SAR 999077, China
3. Environmental Protection Department, The Government of Hong Kong SAR, Tamar, Hong Kong SAR 999077, China
4. HKU-Pasteur Research Pole, Sassoon Road, Hong Kong SAR 999077, China