| Affiliation: | 1. Department of Pathology and Laboratory Medicine, Childrens Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, California;2. Department of Pediatrics, Toho University Omori Medical Center, Tokyo, Japan;3. Department of Epidemiology and Health Policy Research, Children's Oncology Group, University of Florida, Gainesville, Florida;4. Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;5. Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio;6. Department of Pathology and Pediatrics, Ohio State University College of Medicine, Columbus, Ohio;7. Department of Pediatric Oncology, Dana‐Farber Cancer Institute, Boston, Massachusetts;8. Department of Pediatric Surgery, Memorial Sloan Kettering Cancer Center, New York, New York;9. Department of Pediatrics, Division of Hematology/Oncology, University of Chicago, Chicago, Illinois;10. Department of Pediatrics, University of California‐San Francisco School of Medicine, San Francisco, California;11. Division of Hematology/Oncology, Childrens Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, California |
