Affiliation: | 1. Department of General Surgery, Nanshan Affiliated Hospital of Guangdong Medical College, Shenzhen, 518052, China 2. Department of Obstetrics and Gynecology, Nanshan Affiliated Hospital of Guangdong Medical College, Shenzhen, 518052, China 3. Department of General Surgery, First Affiliated Hospital of Nanchang University, Nanchang, 330006, China 4. Department of General Surgery, Qihe People’s Hospital, Qihe, 251100, China 5. Department of General Surgery, Wuhan Pu’ai Hospital, Wuhan, 430033, China
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