Natalya I. Fedoseeva
Volga Region Research Medical University; B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Natalya I. Fedoseeva, postgraduate student; cardiovascular surgeon, 3rd Cardiac Surgery Department,

10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603005;

209, Vaneeva Street, Nizhny Novgorod 603136.

Leonid N. Ivanov
Volga Region Research Medical University; B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Leonid N. Ivanov, Dr. of Scien. (Med.), Professor, B.A. Korolev Department of Hospital Surgery; cardiovascular surgeon, Vascular Department, 

10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603005;

209, Vaneeva Street, Nizhny Novgorod 603136.

Mikhail V. Ryazanov
Volga Region Research Medical University; B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Mikhail V. Ryazanov, Cand. of Scien. (Med.), Associate Professor, B.A. Korolev Department of Hospital Surgery; cardiovascular surgeon, 3rd Cardiac Surgery Department, 

10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603005;

209, Vaneeva Street, Nizhny Novgorod 603136.

Lev A. Leifer
Limited Liability Company “Volga Center for Methodological and Informative Support”
Russian Federation

Lev A. Leifer, Cand. of Scien. (Tech.), Scientific Director, 

3, Betancura Street, office 9, Nizhny Novgorod, 603086.

Yuri V. Shcherbatov
Limited Liability Company “Volga Center for Methodological and Informative Support”
Russian Federation

Yuri V. Shcherbatov, programmer-analyst, 

3, Betancura Street, office 9, Nizhny Novgorod, 603086.

Pyotr N. Kordatov
B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Pyotr N. Kordatov, Dr. of Scien. (Med.), Professor, Cardiovascular surgeon, 3rd Cardiac Surgery Department,

209, Vaneeva Street, Nizhny Novgorod, 603136.

Viktor E. Vaykin
B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Viktor E. Vaykin, Cand. of Scien. (Med.), Cardiovascular surgeon, 3rd Cardiac Surgery Department, 

209, Vaneeva Street, Nizhny Novgorod, 603136.

Lyudmila N. Antsygina
B.A. Korolev Research Institute – Specialized Cardiac Surgery Clinical Hospital
Russian Federation

Lyudmila N. Antsygina, General Practitioner, 3rd Cardiac Surgery Department,

209, Vaneeva Street, Nizhny Novgorod, 603136.

Aleksey S. Mukhin
Volga Region Research Medical University
Russian Federation

Aleksey S. Mukhin, Dr. of Scien. (Med.), Professor, 

10/1, Minin and Pozharsky Square, Nizhny Novgorod, 603005.