Ting Hung Leung1, Wendy Wong2,3. 1. School of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China. leungthcmph@cuhk.edu.hk. 2. School of Chinese Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China. 3. Hong Kong Institute of Integrative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.