1. Department of Hepatobiliary Surgery, The Second Hospital of Longyan, Longyan, Fujian, China
2. Department of Respiratory, Shanghang County Hospital, Fuzhou, Fujian, China
3. Department of Hepatobiliary Surgery, Xiaogan Central Hospital, Xiaogan, Hubei, China
4. Department of Hepatobiliary Surgery, Nanyang First People’s Hospital, Nanyang, Henan, China
5. Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.