1. Department of Evidence‐Based Medicine and Clinical EpidemiologyWest China Hospital, Sichuan University Chengdu City Sichuan Province China
2. Department of OrthopedicsWest China Hospital, Sichuan University Chengdu City Sichuan Province China
3. Mental Health Center and Psychiatric Laboratorythe State Key Laboratory of Biotherapy, West China Hospital of Sichuan University Chengdu City Sichuan Province China
4. Chengdu Fifth People's Hospital Chengdu City Sichuan Province China
5. Department of Cardiothoracic SurgeryWest China Hospital, Sichuan University Chengdu City Sichuan Province China
6. The Chinese Cochrane Center Chengdu City Sichuan Province China