1. Department of General Surgery Beijing Chao‐Yang Hospital, Capital Medical University Beijing People's Republic of China
2. Department of General Surgery Taihe Hospital, Hubei University of Medicine Shiyan China
3. Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine Shiyan China
4. Center for Evidence Based Medicine and Clinical Research, Taihe Hospital, Hubei University of Medicine Shiyan China
5. Department of Stomatology Taihe Hospital, Hubei University of Medicine Shiyan China