Affiliation: | Qiao-Dong Xu, Song-Gang Gu, Jia-Hong Liang, Shao-Dong Zheng, Zhi-Hua Lin, Pei-Dong Zhang, Jiang Yan, Department of Biliary-Pancreatic Minimally Invasive Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China |