A. Yu. Ulitin
A.L. Polenov Russian Scientific Research Neurosurgical Institute – branch of the V.A. Almazov National Medical Research Center, Ministry of Health of Russia
Russian Federation

12 Mayakovsky St., Saint Petersburg 191014 

V. V. Ramensky
A.L. Polenov Russian Scientific Research Neurosurgical Institute – branch of the V.A. Almazov National Medical Research Center, Ministry of Health of Russia
Russian Federation

Vladislav Vladimirovich Ramensky  

12 Mayakovsky St., Saint Petersburg 191014 

N. E. Voinov
A.L. Polenov Russian Scientific Research Neurosurgical Institute – branch of the V.A. Almazov National Medical Research Center, Ministry of Health of Russia
Russian Federation

12 Mayakovsky St., Saint Petersburg 191014 

G. A. Ulitin
S.M. Kirov Military Medical Academy of Ministry of Defense of Russia
Russian Federation

lit. Ж, 6 Akademika Lebedeva St., Saint Petersburg 194044