1. Department of Integrated Traditional and Western Medicine, West China Hospital, Sichuan University, Chengdu, China
2. Department of Medical Administration, West China Hospital, Sichuan University, Chengdu, China
3. School of Health Preservation and Rehabilitation, Traditional Chinese Medicine of Chengdu University, Chengdu, Sichuan, China
4. Department of Periodical Press, West China Hospital, Sichuan University, Chengdu, Sichuan, China
5. Department of Evidence-based Medicine and Clinical Epidemiology, West China Hospital, Sichuan University, Chengdu, China