1. Kuban State Medical University, Krasnodar, Russia; Regional Clinical Hospital No 2, Krasnodar, Russia; Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russia
2. Kuban State Medical University, Krasnodar, Russia; Regional Clinical Hospital No 2, Krasnodar, Russia
3. City Clinical Hospital No 1 named after N.I. Pirogov, Moscow, Russia; Russian National Research Medical University named after N.I. Pirogov, Moscow, Russia
4. Volgograd State Medical University, Volgograd, Russia
5. Kuban State Medical University, Krasnodar, Russia; S.V. Ochapovskiy Research Institute Regional clinical hospital No 1, Krasnodar, Russia
6. Kuban State Medical University, Krasnodar, Russia
7. Research Institute of Complex Problems of Cardiovascular Diseases, Kemerovo, Russia
8. Stavropol Regional Clinical Hospital, Stavropol, Russia; Stavropol State Medical University, Stavropol, Russia
9. P.A. Hertsen Moscow Oncology Research Center, Moscow, Russia
10. State Novosibirsk Regional Clinical Hospital, Novosibirsk, Russia
11. Republican hospital named after V.A. Baranov, Petrozavodsk, Russia
12. Kazan State Medical University, Kazan, Russia
13. Regional Clinical Hospital, Krasnoyarsk, Russia; Krasnoyarsk State Medical University named after Professor V.F. Voino-Yasenetsky, Krasnoyarsk, Russia
14. Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russia; North-Western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia
15. Regional Clinical Hospital No. 2, Vladivostok, Russia
16. Republican Clinical Hospital, Kazan, Russia
17. Moscow Regional Research and Clinical Institute, Moscow, Russia
18. Rostov State Medical University, Rostov-on-Don, Russia
19. F.I. Inozemtsev City Clinical Hospital, Moscow, Russia
20. Northern State Medical University, Arkhangelsk, Russia; First City Clinical Hospital named after E.E. Volosevich, Arkhangelsk, Russia
21. Orenburg Regional Clinical Hospital, Orenburg, Russia
22. Joint Hospital with Polyclinic of the Office of the President of the Russian Federation, Moscow, Russia
23. Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russia