Department of General surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Shanxi Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University

Received 15 March 2022 Revised form accepted 15 March 2022

Correspondence to Jiefeng He, Longcheng Street, Xiaodian District, Taiyuan City, Shanxi Province, China, 030000, Tel: + 86 0351 8368114; e-mail: [email protected]