1. Department of Experiment Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, China
2. Department of Digestive Surgery, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi’an, China
3. School of Clinical Medicine, Xi’an Medical University, Xi’an, China
4. Department of Pharmacy, Shaanxi Provincial Hospital of Chinese Medicine, Xi’an, China