Department of Hematology;
Union Hospital;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430030;
China;
Department of Pediatrics;
The Third Affiliated Hospital;
Zhengzhou University;
Zhengzhou 450052;
China;
Department of Pediatrics;
The Third Affiliated Hospital;
Zhengzhou University;
Zhengzhou 450052;
China;