1. Department of Pathology, Harbor-UCLA Medical Center, Torrance, California, United States
2. Division of Hematology/Oncology, Department of Pediatrics, Mattel Children's Hospital, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
3. Division of Hematology/Oncology, Department of Pediatrics, Harbor-UCLA Medical Center, Torrance, California, United States