1. Medical Research Center, Shunde Hospital, Southern Medical University, The First People's Hospital of Shunde, Foshan, Guangdong 528308, P.R. China
2. Department of Hematology, Shunde Hospital, Southern Medical University, The First People's Hospital of Shunde, Foshan, Guangdong 528308, P.R. China
3. Department of Hepatobiliary Surgery, Shunde Hospital, Southern Medical University, The First People's Hospital of Shunde, Foshan, Guangdong 528308, P.R. China