1. Clinical Research DepartmentSpanish National Cancer Research Center, CNIO
2. Hematology DepartmentUniversity Hospital 12 de Octubre
3. Tumor Immunology Lab, IdiPAZ
4. Medical and Molecular Genetics Institute, INGEMM
5. Pediatric DepartmentAutonomous University of Madrid
6. Hematology Department
7. Pediatric Hemato‐Oncology
8. Immunology Department
9. Biostatistics DepartmentLa Paz University HospitalMadrid Spain