1. Division of Hematology, Oncology, Blood and Marrow Transplant, Department of Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio, USA
2. Center for Childhood Cancer and Blood Diseases, The Research Institute, Nationwide Children’s Hospital, Columbus, Ohio, USA
3. Division of Anatomic Pathology, Department of Pathology and Laboratory Medicine, Nationwide Children’s Hospital, Columbus, Ohio, USA
4. Department of Pathology, The Ohio State University College of Medicine, Columbus, Ohio, USA
5. Division of Anatomy, Department of Biomedical Education and Anatomy, The Ohio State University College of Medicine, Columbus, Ohio, USA
6. Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA