1. Department of Hepatobiliary Surgery The People's Hospital of Kashgar Kashgar Xinjiang China
2. Xinjiang Medical University Ürümqi Xinjiang China
3. Department of Hepatobiliary Surgery The Third Affiliated Hospital, Sun Yat‐Sen University Guangzhou China
4. Department of Gynecology and Obstetrics The Sun Yat‐Sen Memorial Hospital of Sun Yat‐Sen University Guangzhou China
5. Department of General Surgery The Third Affiliated Hospital, Sun Yat‐Sen University Guangzhou China