1. Institute of Neurology; Catholic University of Sacred Heart; Largo F. Vito 1, 00168 Rome Italy
2. Institute of Nuclear Medicine; Catholic University of Sacred Heart; Rome Italy
3. Institute of Radiology; Catholic University of Sacred Heart; Rome Italy
4. Institute of Neurosurgery; Catholic University of Sacred Heart; Rome Italy
5. Institute of Haematology; Catholic University of Sacred Heart; Rome Italy
6. Institute of Pathology; Catholic University of Sacred Heart; Rome Italy