1. Department of Gastrointestinal Surgery; West China Hospital, Sichuan University; Chengdu China
2. Department of Pharmacy; West China Second University Hospital, Sichuan University; Chengdu China
3. Evidence-Based Pharmacy Center; West China Second University Hospital, Sichuan University; Chengdu China
4. West China School of Nursing/West China Hospital, Sichuan University; Chengdu China
5. Sanya People's Hospital/West China (Sanya) Hospital, Sichuan University; Sanya China