V. V. Zelenin
Mariinsky City Hospital
Russian Federation

Vyacheslav V. Zelenin, MD, PhD, head of the department of x-ray surgical methods of diagnosis and treatment (cardiovascular surgery)

O. I. Kudryavtsev
Mariinsky City Hospital
Russian Federation

Oleg I. Kudryavtsev, resident (cardiovascular surgery, radiosurgical methods of diagnosis and treatment)

D. V. Merkulov
Mariinsky City Hospital
Russian Federation

Dmitry V. Merkulov, head of computer diagnostics department

O. P. Verbitskiy
Mariinsky City Hospital
Russian Federation

Oleg P. Verbitskiy, resident of the department of neurosurgery

V. V. Akhmetov
ФГБОУ ВО «Петрозаводский государственный университет»
Russian Federation

Vladimir V. Akhmetov, MD, PhD, doctoral student, department of general and faculty surgery, Petrozavodsk State University, vascular surgeon, A.K.Eramishantsev City Clinical Hospital of the Department of Health of Moscow 

For correspondence: Address: 15 Lenskaya str., Moscow, 115280, Russia 

I. P. Dudanov
Mariinsky City Hospital
Russian Federation

Ivan P. Dudanov, MD, PhD, DSc, professor, corresponding member of RAS, head of the chair of general and faculty surgery, Petrozavodsk State University, the head of the Regional Vascular Center, Mariinsky City Hospital