1. V.A. Nasonova Research Institute of Rheumatology; I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia
2. V.A. Nasonova Research Institute of Rheumatology
3. Kemerovo State Medical University, Ministry of Health of Russia
4. V.D. Seredavin Samara Regional Hospital
5. Research Institute of Fundamental and Clinical Immunology, Novosibirsk
6. V.I. Razumovsky Saratov State Medical University, Ministry of Health of Russia
7. N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia
8. Central Clinical Hospital of RAS
9. City Rheumatologic Clinical Hospital №25, St. Petersburg
10. G.G. Kuvatov Republican Clinical Hospital, Ufa
11. City hospital №26, St. Petersburg
12. I.I. Djanelidze St. Petersburg Research Institute of Emergency Care
13. Central Clinical Hospital with outpatient department, Moscow
14. Ryazan State Medical University, Ministry of Health of Russia
15. Practicheskaya Meditsina Ltd, Moscow