1. Department of Hematology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, P.R. China
2. Department of Oncology, Rizhao Traditional Chinese Medicine Hospital of Shandong Traditional Chinese Medicine University, Rizhao, Shandong 276800, P.R. China
3. Bone Marrow Transplantation Center, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China