1 School of Medicine, Department of Hematology and Oncology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
2 School of Medicine, Department of Clinical Laboratory, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
3 School of Medicine, Department of Hematology and Oncology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China - sjbobo@sina.com.