1. Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, China
2. Chinese Evidence-based Medicine Center and MAGIC China Center, West China Hospital, Sichuan University, Chengdu 610041, China
3. Department of Infection Control, West China Hospital, Sichuan University, Chengdu 610041, China
4. Department of Respiratory Medicine and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu 610041, China