1. School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong
2. Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong
3. Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong
4. Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T, Hong Kong