1. Department of Radiological, Oncological and Anatomo-Pathological Sciences; Sapienza University; Rome Italy
2. Bone Marrow Transplantation Unit; Department of Public Health, Clinical and Molecular Medicine; Ospedale Pediatrico Microcitemico; Cagliari Italy
3. Department of Neurological Sciences; Sapienza University; Rome Italy
4. Pediatric Unit; Fondazione IRCCS Istituto Nazionale dei Tumori; Milan Italy
5. Université Pierre et Marie Curie; Centre de Recherche de l'Institut du Cerveau et de la Moelle épinière (CRICM) UMR-S975; Paris France
6. Assistance Publique-Hopitaux de Paris; Onconeurothèque; Groupe Hospitalier Pitié-Salpêtrière; Paris France
7. IRCCS Neuromed Pozzilli; Isernia Italy