1 Department of Chemistry, City University of Hong Kong, Kowloon Tong, Hong Kong, SAR, China.
2 School of Life Sciences, and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China.
3 Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117549, Singapore.
4 Cancer Science Institute of Singapore, National University of Singapore, Singapore, 117599, Singapore.
5 Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117594, Singapore.
6 School of Life Sciences, and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China. tf.chan@cuhk.edu.hk.
7 Department of Chemistry, City University of Hong Kong, Kowloon Tong, Hong Kong, SAR, China. ckkwok42@cityu.edu.hk.