1. Department of Neurosurgery, Shaoxing People’s Hospital, Shaoxing, Zhejiang, 312000, China
2. Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, 321000, China
3. Department of Colorectal Surgery, Xinchang People’s Hospital, Affiliated Xinchang Hospital, Wenzhou Medical University, Xinchang, Zhejiang, 312500, China