N. R. Zakirzhanov
SAHI City Clinical Hospital No. 7 named after M.N. Sadykov; Kazan Federal University, Institute of Fundamental Medicine and Biology
Russian Federation

Dr. Nail R. Zakirzhanov, Cand. Sci. (Med.), Cardiovascular Surgeon, SAHI City Clinical Hospital No. 7 named after M.N. Sadykov; Senior Lecturer, Department of Surgical Diseases of Postgraduate Education (external parttime), Kazan Federal University, Institute of Fundamental Medicine and Biology

54, M. Chuikov str., Kazan, 420103; 
18, Kremlevskaya str., Kazan, 420008

R. V. Valiakhmetov
SAHI City Clinical Hospital No. 7 named after M.N. Sadykov; Kazan Federal University, Institute of Fundamental Medicine and Biology
Russian Federation

Renat V. Valiakhmetov, Medical Resident, Cardiovascular Surgeon 

54, M. Chuikov str., Kazan, 420103; 
18, Kremlevskaya str., Kazan, 420008

E. V. Khazova
Kazan Federal University, Institute of Fundamental Medicine and Biology; Kazan State Medical University of the Ministry of Health of the Russian Federation
Russian Federation

Elena V. Khazova, Cand. Sci. (Med.), Associate Professor, Department of Propaedeutics of Internal Diseases named after Professor S.S. Zimnitsky, KSMU, Kazan, Russia; Research Scientist, SSIL “New Professional Competencies in Health Care”, Kazan Federal University, Institute of Fundamental Medicine and Biology

18, Kremlevskaya str., Kazan, 420008; 
49, Butlerova str., Kazan, 420012