1. Department of Radiation Oncology University of Colorado Aurora Colorado USA
2. Department of Radiology University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
3. Division of Nuclear Medicine, Department of Radiology, College of Medicine The Catholic University of Korea Seoul Republic of Korea
4. Russell H. Morgan Department of Radiology and Radiological Sciences Johns Hopkins University Baltimore Maryland USA
5. Children's Oncology Group, Statistics and Data Center, Department of Biostatistics University of Florida Gainesville Florida USA
6. Children's Oncology Group Statistics and Data Center Monrovia California USA
7. Imaging and Radiation Oncology Core Group Lincoln Rhode Island USA
8. Department of Radiation Oncology Mayo Clinic Jacksonville Florida USA
9. Department of Radiation Oncology Memorial Sloan Kettering Cancer Center New York New York USA
10. Division of Pediatric Hematology, Oncology, and BMT Medical College of Wisconsin Milwaukee Wisconsin USA
11. Division of Pediatric Hematology and Oncology Vanderbilt University Medical Center Nashville Tennessee USA
12. Vanderbilt‐Ingram Cancer Center Nashville Tennessee USA
13. Department of Pediatric Oncology, Roswell Park Comprehensive Cancer Center and University at Buffalo Jacobs School of Medicine and Biomedical Sciences Buffalo New York USA
14. University of Wisconsin Carbone Cancer Center Madison Wisconsin USA