1. Key Laboratory of Living Donor Liver Transplantation of Ministry of Public Health, Department of Liver Surgery, The First Affiliated of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
2. Department of Hepatobiliary Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu 223300, P.R. China