1. Department of Hematology, Children's Hospital of Capital Institute of Pediatrics, Beijing 100020, P.R. China
2. Beijing Hightrust Diagnostics, Co., Kindstar Globalgene Technology, Inc., Beijing 100176, P.R. China
3. Shanghai Simplegene Clinical Laboratory, Co., Kindstar Globalgene Technology, Inc., Shanghai 200025, P.R. China
4. Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Department of Hematology and Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, P.R. China
5. Department of Key Laboratory, Children's Hospital of Capital Institute of Pediatrics, Beijing 100020, P.R. China