1. Department of Surgery № 3 St. Petersburg City Alexandrovskaya Hospital
2. S.V. Ochapovsky Research Institute and Regional Clinical Hospital No. 1 of the Ministry of Health of Russian Federation
3. S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation;
4 I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Health of the Russian Federation
4. S.V. Ochapovsky Research Institute and Regional Clinical Hospital No. 1 of the Ministry of Health of Russian Federation;
Kuban State Medical University
5. S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation;
I.I. Mechnikov North-Western State Medical University
6. V.A. Almazov National Medical Research Center of the Ministry of Health of Russian Federation
7. City Multidisciplinary Hospital No. 2
8. I.I. Mechnikov North-Western State Medical University
9. Kemerovo State Medical University of the Ministry of Health of the Russian Federation
10. City polyclinic No. 54
11. Research Institute of Complex Problems for Cardiovascular Diseases;
L.S. Barbarash Kuzbass Clinical Cardiological Clinic
12. S.V. Belyaev Kuzbass Regional Clinical Hospital