1. Proton Therapy Center, ‘S. Chiara’ Hospital, Azienda Provinciale per i Servizi Sanitari, Trento, Italy
2. Department of Clinical and Evaluative Epidemiology, Health Service of Trento (APSS), Trento, Italy
3. Pediatric Radiotherapy Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
4. Neuroradiology Unit, ‘S. Chiara’ Hospital, Azienda Provinciale per i Servizi Sanitari, Trento, Italy
5. Department of Nuclear Medicine, ‘S. Chiara’ Hospital, Azienda Provinciale per i Servizi Sanitari, Trento, Italy
6. Department of Neurosurgery, ‘S. Chiara’ Hospital, Azienda Provinciale per i Servizi Sanitari, Trento, Italy