1. Department of Clinical Oncology, Centre of Cancer Medicine, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China
2. Laboratory for Synthetic Chemistry and Chemical Biology Ltd., Hong Kong Science Park, New Territories, Hong Kong 999077, China
3. Department of Chemistry, Faculty of Science, The University of Hong Kong, Hong Kong 999077, China
4. Clinical Oncology Center, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China