1. Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, Zhejiang 310003, China
2. Department of General Surgery, The Sixth People’s Hospital of Zhengzhou City, Zhengzhou, Henan 450015, China
3. Department of Intensive Care Unit, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, Zhejiang 310003, China