1. Department of General Surgery, Hangzhou First People’s Hospital, Hangzhou 310006, Zhejiang Province, China
2. Library, Hangzhou First People’s Hospital, Hangzhou 310006, Zhejiang Province, China
3. The First College of Clinical Medicine, Zhejiang University of Traditional Chinese Medicine, Hangzhou 3100053, China
4. Department of Nephropathy, 117 Hospital of People’s Liberation Army, Hangzhou 310013, Zhejiang Province, China