1 Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China.
2 Microbiota I-Center (MagIC), Hong Kong SAR, China.
3 Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China.
4 Department of Microbiology, The Chinese University of Hong Kong, Hong Kong SAR, China.