1. Laboratory of Stem Cell Transplantation, Ningbo First Hospital, Zhejiang, P.R. China;
2. Department of Oncology, Eastern Hepatobiliary Hospital, Third Affiliated Hospital of Second Military Medical University, Shanghai, P.R. China;
3. Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, P.R. China;
4. Hematology Department, Ningbo First Hospital, Zhejiang, P.R. China