1. Jimmy Everest Section of Pediatric Hematology/Oncology, Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OKC, USA;
2. Genetic Section of Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, OKC, USA;
3. Department of Hematology, China Medical University First Hospital, Shenyang, China;
4. Pathology and Lab Medicine, Children's Hospital of Los Angeles, Los Angeles, CA, USA;
5. Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OKC, USA