1. School of Bioscience and Bioengineering, South China University of Technology, Guangzhou 510006, PR China
2. State Key Laboratory of Applied Microbiology Southern China (The Ministry-Province Joint Development), Guangdong Institute of Microbiology, Guangzhou, 510070, PR China
3. Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, M4N3M5, Canada
4. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M4N3M5, Canada