1. Rostov State Medical University
2. Eurasian Association of Internal Medicine; OOO Dr Fomin Clinic
3. Eurasian Association of Internal Medicine; Pirogov Russian National Research Medical University
4. Eurasian Association of Internal Medicine; Privolzhsky Research Medical University
5. Eurasian Association of Internal Medicine; Avdalbekyan National Institute of Health
6. Privolzhsky Research Medical University; Lobachevsky National Research State University of Nizhny Novgorod
7. Dagestan State Medical University
8. Mechnikov North-Western State Medical University
9. Russian Railways-Medicine Clinical Hospital
10. Omsk State Medical University
11. Privolzhsky Research Medical University; Lobachevsky National Research State University of Nizhny Novgorod; City Clinical Hospital № 38
12. Interregional Clinical Diagnostic Center; Kazan State Medical University
13. Siberian State Medical University
14. Lobachevsky National Research State University of Nizhny Novgorod
15. Vladimirsky Regional Research Clinical Institute
16. Cardiology Research Institute, Tomsk National Research Medical Center
17. Stavropol State Medical University
18. Vagner Perm State Medical University
19. Kirov State Medical University
20. Pacific State Medical University
21. Volgograd State Medical University
22. Voino-Yasenetsky Krasnoyarsk State Medical University
23. City Clinical Hospital № 38
24. Razumovsky Saratov State Medical University
25. Samara State Medical University
26. Ural State Medical University
27. Kuban State Medical University
28. Pavlov Ryazan State Medical University
29. Kazan State Medical University
30. Pirogov Russian National Research Medical University
31. South Ural State Medical University
32. Privolzhsky Research Medical University
33. Eurasian Association of Internal Medicine
34. Eurasian Association of Internal Medicine; Mechnikov North-Western State Medical University; Clinical Rheumatology Hospital № 25
35. Voino-Yasenetsky Krasnoyarsk State Medical University; Russian Railways-Medicine Regional Hospital Polyclinic № 1
36. Voino-Yasenetsky Krasnoyarsk State Medical University; Federal Siberian Research Clinical Center
37. Kazan State Medical University; City Clinical Hospital № 7
38. Privolzhsky Research Medical University; Nizhny Novgorod Research Institute of Hygiene and Occupational Diseases
39. Russian Railways-Medicine Regional Hospital Polyclinic № 1
40. Regional Clinical Hospital
41. Regional Clinical Cardiology Dispensary,
42. Samara City Clinic № 13
43. Nizhny Novgorod Research Institute of Hygiene and Occupational Diseases
44. City Clinical Hospital № 7
45. Regional Clinical Hospital; Omsk Region City Clinic № 1