1. Center for Cancer and Blood Disorders, Pediatric Hematology Oncology Branch, Children’s National Hospital, Washington, DC 20010, USA
2. Division of Pediatric Hematology Oncology, Primary Children’s Hospital, University of Utah, Salt Lake City, UT 84113, USA
3. Division of Hematology-Oncology, Cancer and Blood Disease Institute, Children’s Hospital Los Angeles, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA
4. Division of Hematology-Oncology, Cancer and Blood Disease Institute, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA
5. Department of Pediatric Hematology Oncology, Seattle Children’s Hospital, Seattle, WA 98105, USA
6. Department of Pediatric Hematology Oncology, Ann and Robert Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA
7. Department of Pathology, University of Utah and ARUP Laboratories, Salt Lake City, UT 84108, USA
8. Department of Urology, University of Southern California, Los Angeles, CA 90033, USA
9. Bristol Myers Squibb, Princeton, NJ 08543, USA
10. Department of Pediatric Hematology Oncology, Atrium Health Levine Children’s Hospital, Wake Forrest University, Charlotte, NC 28203, USA
11. Division of Pediatric Hematology/Oncology, Baylor College of Medicine, Texas Children’s Cancer and Hematology Center, Houston, TX 77030, USA
12. Department of Pediatric Hematology Oncology, UT Southwestern, Dallas, TX 75235, USA
13. Department of Pediatric Hematology Oncology, Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA
14. Division of Pediatric Hematology Oncology, Oregon Health and Science University, Portland, OR 97239, USA
15. Department of Pediatric Oncology, University of California, San Francisco Benioff Children’s Hospitals, San Francisco, CA 94158, USA
16. Division of Pediatric Hematology Oncology and Stem Cell Transplant, Columbia University Medical Center, New York, NY 10032, USA