1 Department of General Surgery, the Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Donghu District, Nanchang, Jiangxi, 330006, China.
2 Department of General Surgery, the Second Affiliated Hospital of Nanchang University, No.1 Minde Road, Donghu District, Nanchang, Jiangxi, 330006, China. Electronic address: liangbo2087@gmail.com.