1. Department of Neurosciences and Reproductive and Odontostomatological Sciences, Division of Neurosurgery, University of Napoli “Federico II”, Naples;
2. Department of Biomedical and Neuromotor Sciences, University of Bologna, IRCCS Institute of Neurological Sciences of Bologna, “Bellaria” Hospital, Bologna;
3. Division of Neurosurgery, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo;
4. Division of Neurosurgery, Università degli Studi di Brescia–Spedali Civili, Brescia;
5. Division of Neurosurgery, Università degli Studi dell’Insubria, Ospedale di Circolo e Fondazione Macchi, Varese;
6. Division of Neurosurgery, AOU Senese “Le Scotte”, Siena;
7. Division of Neurosurgery, Humanitas Research Hospital, Rozzano;
8. Neurosurgery Unit, Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine;
9. Department of Neuroscience, “Rita Levi Montalcini”, Neurosurgery Unit, University of Turin; and
10. Neurosurgery and Neurotraumatology, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy