1. Department of Food Engineering, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
2. Frontiers Science Center for Disease-related Molecular Network, Institutes for Systems Genetics, West China Hospital, Sichuan University, 88 Keyuan South Road, Hi-Tech Zone, Chengdu 610041, P. R. China
3. Sichuan Center for Disease Control and Prevention, Chengdu 610041, P. R. China