A. D. Fedorenko
Kuban State Medical University
Russian Federation

Arkady D. Fedorenko – Clinical Resident of the Department of Neurology and Neurosurgery 

Mitrofana Sedina str., 4, Krasnodar, 350063 

G. A. Zabunyan
Regional Clinical Hospital No. 1 named after Professor S.V. Ochapovsky
Russian Federation

Grant A. Zabunyan – Oncologist, Plastic Surgeon, Maxillofacial Surgeon, Head of the Surgery Department No. 3 

1 Maya str., 167, Krasnodar, 350086 

D. V. Litvinenko
Regional Clinical Hospital No. 1 named after Professor S.V. Ochapovsky
Russian Federation

Dmitry V. Litvinenko – Cand. Sci. (Med.), Neurosurgeon of the Neurosurgery Department No. 2 

1 Maya str., 167, Krasnodar, 350086 

V. V. Tkachev
Regional Clinical Hospital No. 1 named after Professor S.V. Ochapovsky
Russian Federation

Vyacheslav V. Tkachev – Dr. Sci. (Med.), Associate Professor, Neurosurgeon, Head of the Neurosurgery Department No. 2 

1 Maya str., 167, Krasnodar, 350086