[1] Univ Palermo, Dept Biomed Neurosci & Adv Diagnost BiND, Neurosurg Unit, Palermo, Italy
[2] St Eugenio Hosp, Dept Neurosurg, Rome, Italy
[3] ASP Palermo, Rehabil Med Outpatient Dept, Palermo, Italy
[4] Nanoori Gangnam Hosp, Dept Spine Surg, Seoul, South Korea
[5] Univ Palermo, Dept Psychol Educ Sci & Human Movement, Palermo, Italy