1. School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China.
2. Department of Physiology, LKS Faculty of Medicine, University of Hong Kong, Hong Kong.
3. Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing, China.
4. School of Management, Beijing University of Chinese Medicine, Beijing, China.
5. Department of Biostatistics and Bioinformatics, Winship Cancer Institute, Emory University, Atlanta, GA, USA.