1. Department of Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00100 Rome, Italy
2. Programma Neurochirurgia Ipofisi-Pituitary Unit, IRCCS Institute of Neurological Sciences of Bologna, 40121 Bologna, Italy
3. Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, 40121 Bologna, Italy
4. Department of Neurosurgery, ASST Fatebenefratelli Sacco, 20100 Milan, Italy
5. Department of Otolaryngology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00100 Rome, Italy
6. Neurosurgery, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy