S. D. Shuvalov
Saratov State Medical University n.a V.I. Razumovsky, Saratov, Russia
Russian Federation

Stanislav Dmitrievich Shuvalov, MD, neurosurgeon, junior researcher, Department of Innovative Projects for Neurosurgery and Vertebrology, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, 

148 Chernyshevskogo str., Saratov, 410002, Russia,

A. E. Shulga
Saratov State Medical University n.a V.I. Razumovsky, Saratov, Russia
Russian Federation

Aleksey Evgenyevich Shulga, MD, PhD, neurosurgeon, senior researcher, Department of Innovative Projects for Neurosurgery and Vertebrology, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, 

148 Chernyshevskogo str., Saratov, 410002, Russia

S. P. Bazhanov
Saratov State Medical University n.a V.I. Razumovsky, Saratov, Russia
Russian Federation

Sergey Petrovich Bazhanov, DMSc, neurosurgeon, Head of the Department of Innovative Projects for Neurosurgery and Vertebrology, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, 

148 Chernyshevskogo str., Saratov, 410002, Russia

V. V. Ostrovskij
Saratov State Medical University n.a V.I. Razumovsky, Saratov, Russia
Russian Federation

Vladimir Vladimirovich Ostrovskij, DMSc, neurosurgeon, director of the Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, 

148 Chernyshevskogo str., Saratov, 410002, Russia

V. S. Tolkachev
Saratov State Medical University n.a V.I. Razumovsky, Saratov, Russia
Russian Federation

Vladimir Sergeyevich Tolkachev, MD, neurosurgeon, junior researcher, Department of Innovative Projects for Neurosurgery and Vertebrology, Scientific Research Institute of Traumatology, Orthopedics and Neurosurgery, 

148 Chernyshevskogo str., Saratov, 410002, Russia