1. Division of Pediatric Hematology and Oncology Department of Pediatrics Cleveland Clinic Case Western Reserve University School of Medicine Cleveland Ohio USA
2. Department of Biostatistics Epidemiology and Informatics Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
3. Center for Pediatric Clinical Effectiveness Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
4. Healthcare Analytic Unit Department of General Pediatrics Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
5. Children's Hospital Association Lenexa Kansas USA
6. Department of Biostatistics University of Florida Children's Oncology Group Statistics & Data Center Gainesville Florida USA
7. Division of Pediatric Hematology/Oncology Department of Pediatrics The University of Chicago Medicine Chicago Illinois USA
8. Division of Pediatric Hematology/Oncology Department of Pediatrics University of Texas Southwestern Dallas Texas USA
9. Department of Pediatric Oncology and Division of Population Sciences Dana‐Farber Cancer Institute, Harvard Medical School Boston Massachusetts USA
10. Division of Oncology Department of Pediatrics Children's Hospital of Philadelphia Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
11. Center for Clinical Epidemiology and Biostatistics Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA