1. Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, P.R. China
2. Department of Hematology, Guangzhou General Hospital of Guangzhou Military Command (Guangzhou Liuhuaqiao Hospital), Guangzhou, Guangdong Province, P.R. China
3. Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, P.R. China
4. Department of Hematology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, P.R. China
5. Department of Hematology, Nanfang Hospital of Southern Medical University, Guangzhou, Guangdong Province, P.R. China
6. Department of Hematology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, P.R. China