1 Health Management Center, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu 610041, China; The Academy of Chinese Health Risks of West China Hospital, Sichuan University, Chengdu 610041, China.
2 The Academy of Chinese Health Risks of West China Hospital, Sichuan University, Chengdu 610041, China. Electronic address: ACHR@wchscu.edu.cn.