1. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via S. Allende, 84081 Baronissi, Italy
2. UOC of Neurosurgery, Ospedale Moriggia Pelascini, Gravedona e Uniti, 22015 Gravedona, Italy
3. Department of Neurosurgery, Aix Marseille University, APHM, UH Timone, 13005 Marseille, France
4. Laboratory of Biomechanics and Application, UMRT24, Gustave Eiffel University, Aix Marseille University, 13005 Marseille, France
5. Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of Korea
6. Division of Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazza Spedali Civili 1, 25123 Brescia, Italy
7. Division of Neurosurgery, Department of Clinical Neurosciences, Geneva University Hospitals (HUG), Rue Gabrielle-Perret-Gentil 4, 1205 Geneva, Switzerland