1 Neurosurgical Clinic, AOUP "Paolo Giaccone", Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy; Department of Neurosurgery of People of Friendship University, Moscow, Russia.
2 Department of Neurosurgery of People of Friendship University, Moscow, Russia. Electronic address: Danielencarnacion2280@gmail.com.
3 Division of Vertebrology of NCC No. 2 (CCB RAS) FGBNU, RNTSKH in B.V. Petroskovo Academy, Moscow, Russia.
4 Neurosurgery Clinic, Department of Head and Neck Surgery, Garibaldi Hospital, Catania, Italy.
5 Neurosurgical Clinic, AOUP "Paolo Giaccone", Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy.
6 Deparment of Neurosurgery, City Clinical Hospital, Gbuz Gkb Im. V.P. Demikhova, Moscow, Russia.