[1
]Department of Clinical Sciences Lund University Lund Sweden
[2
]Pediatric Oncology and Hematology Skane University Hospital Lund Sweden
[3
]Institute for Cancer Outcomes and Survivorship University of Alabama at Birmingham
Birmingham Alabama
[4
]Department of Population Sciences City of Hope Duarte California
[5
]Pediatric and Familial Cancer Research Group, Cancer Research UK Royal Manchester
Children's Hospital Manchester United Kingdom
[6
]Emma Children's Hospital, Academic Medical Center Amsterdam The Netherlands
[7
]Department of Pediatric Hematology/Oncology Dana‐Farber Cancer Institute Boston Massachusetts
[8
]Division of Hematology, Oncology, and Stem Cell Transplantation, Department of Pediatrics
Northwestern University Feinberg School of Medicine Chicago Illinois
[9
]Center for Childhood Cancer Research, Department of Pediatrics University of Pennsylvania
School of Medicine Philadelphia Pennsylvania
[10
]Department of Pediatrics The Ohio State University College of Medicine Columbus Ohio
[11
]Division of Hematology/Oncology Cincinnati Children's Hospital Medical Center Cincinnati
Ohio
[12
]Division of Hematology/Oncology The Hospital for Sick Children Toronto Ontario Canada
[13
]Department of Pediatrics University of Minnesota Medical School Minneapolis Minnesota
[14
]Pediatric Oncology Unit IRCCS Foundation National Cancer Institute Milan Italy
[15
]Children's Center for Cancer and Blood Diseases Children's Hospital Los Angeles Los
Angeles California
[16
]The Children's Hospital of Philadelphia Philadelphia Pennsylvania
[17
]Department of Epidemiology and Cancer Control St. Jude Children's Research Hospital
Memphis Tennessee
[18
]Department of Pediatrics Gustave Roussy Institute Villejuif France
[19
]Department of Biostatistics Gustave Roussy Institute Villejuif France
[20
]Division of Hematology and Oncology, Department of Pediatrics University of Alabama
at Birmingham Birmingham Alabama