V. V. Stepanenko
City Multifield Hospital No. 2 5 Uchebny lane, Saint-Petersburg, 194354, Russia
Russian Federation

MD, PhD, Head of Department of Neurosurgery No. 1

V. A. Shamanin
City Multifield Hospital No. 2 5 Uchebny lane, Saint-Petersburg, 194354, Russia
Russian Federation

neurosurgeon, Department of Neurosurgery No. 1

A. V. Trashin
City Multifield Hospital No. 2; North-Western State Medical University n.a. I.I. Mechnikov 5 Uchebny lane, Saint-Petersburg, 194354, Russia; 41 Kirochnaya str., Saint-Petersburg, 191015, Russia
Russian Federation

MD, PhD, Department of Neurosurgery No. 1;

teaching assistant at the Department of Neurosurgery n.a. Prof. A.L. Polenov

Yu. A. Shulev
North-Western State Medical University n.a. I.I. Mechnikov 41 Kirochnaya str., Saint-Petersburg, 191015, Russia
Russian Federation

Professor of the Department of Neurosurgery n.a. Prof. A.L. Polenov