1. Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, PR China
2. Department of Haematology, Guangzhou Liuhuaqiao Hospital, Guangzhou, Guangdong Province, PR China
3. Department of Paediatrics, Jinhua Central Hospital, Jinhua, Zhejiang Province, PR China