1. Department of Pediatric OncologyDana‐Farber/Boston Children's Cancer and Blood Disorders Center and Harvard Medical School Boston Massachusetts
2. Department of PediatricsChildren's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania
3. Department of Pediatric OncologyChildren's Hospital and Center for Molecular Medicine CologneUniversity of Cologne Köln Germany
4. SAGA Heavy Ion Medical Accelerator in Tosu (HIMAT) Foundation Tosu Japan
5. Hospital Universitario y Politecnico La Fe Valencia Spain
6. UCSF School of Medicine and UCSF Benioff Children's Hospital San Francisco California