[1
]Research Unit EA4340, Versailles University, Paris-Saclay University, Boulogne, France;
[2
]Pathology Department, Ambroise Paré Hospital, Assistance Publique-Hôpitaux de Paris
(AP-HP), Boulogne, France;
[3
]Division of Hematology/Oncology, Department of Pediatrics, The Hospital for Sick Children,
University of Toronto, Toronto, ON, Canada;
[4
]Pathology Department, Necker Hospital, Paris, France;
[5
]Department of Women’s and Children’s Health, Karolinska Institutet, Karolinska University
Hospital, Stockholm, Sweden;
[6
]Department of Internal Medicine and French Reference Center for Rare Auto-immune and
Systemic Diseases, Institut E3M, AP-HP, Pitié-Salpêtrière Hospital, Paris, France;
[7
]Université Pierre et Marie Curie University Paris 6, Paris, France;
[8
]Pediatric Hematology, Trousseau Hospital, APHP, Paris, France;
[9
]Fundación Jiménez Díaz, Universidad Autónoma, Madrid, Spain;
[10
]Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University
of Cincinnati College of Medicine, Cincinnati, OH;
[11
]Leukemia Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering
Cancer Center, New York, NY;
[12
]Feigin Center, Texas Children’s Cancer Center, Houston, TX;
[13
]Pathology Department, Pitié-Salpétrière Hospital, Paris, France;
[14
]Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, NY;
[15
]Necker Enfants Malades Hospital, AP-HP, Paris, France;
[16
]Institut Imagine, Sorbonne Paris Cité, Université Paris Descartes, Paris, France;
[17
]Division of Clínical Immunology, Hospital General Universitario and Health Research
Institute “Gregorio Marañón,” Madrid, Spain;
[18
]Childhood Cancer Research Unit, Department of Women’s and Children’s Health, Karolinska
Institutet, Karolinska University Hospital, Stockholm, Sweden;
[19
]Department of Investigational Cancer Therapeutics (Phase I Clinical Trials Program),
The University of Texas MD Anderson Cancer Center, Houston, TX;
[20
]Mount Sinai School of Medicine, New York, NY;
[21
]Pathology Department, University of Pittsburgh School of Medicine, Children’s Hospital
of Pittsburgh of University of Pittsburgh Medical Center, Pittsburgh, PA;
[22
]Dana-Farber Cancer Institute, Boston, MA;
[23
]Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA;
[24
]Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston,
MA;
[25
]Division of Pulmonary, Saint Louis Hospital, Paris, France;
[26
]Division of Pulmonary and Critical Care Medicine, Mayo Clinic College of Medicine,
Rochester, MN; and
[27
]Clarient Pathology Services, Aliso Viejo, CA