1. Department of Microbiology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, China
2. Morningside Laboratory for Chemical Biology and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P. R. China
3. Laboratory of Chemical Biology and Molecular Medicine, School of Life Sciences, Westlake University, Hangzhou, Zhejiang, P. R. China