[1] European Organisation for Research and Treatment of Cancer (EORTC),Medical Department
[2] Universidad Autónoma de Madrid,Faculty of Medicine
[3] Hospital Infantil Universitario Niño Jesús,Pediatric Hematology, Oncology and Stem Cell Department
[4] Hospital I.U. Niño Jesús,Pathology Department
[5] Hospital I.U. Niño Jesús,Pediatric Radiology Department
[6] Hospital I.U. Niño Jesús,Pediatric Neurosurgery Department
[7] Hospital G.U. Gregorio Marañón,Radiation Oncology Department
[8] Instituto de Investigación Sanitaria La Princesa,undefined