1 V.A. Nasonova Research Institute of Rheumatology, 134A, Kashirskoe Shosse, Moscow, 115522, Russian Federation
2 I.I. Mechnikov North-Western State Medical University, Ministry of Health of Russia, 41, Kirochnaya St., Saint Petersburg, 191015, Russian Federation
3 A.I. Evdokimov Moscow State Medical University of Medicine and Dentistry, Ministry of Health of Russia, 20, Delegatskaya St., Build. 1, Moscow, 127473, Russian Federation
4 Peoples' Friendship University of Russia, 6, Miklukho-Maklai St., Moscow, 117198, Russian Federation
6 Volgograd State Medical University, Ministry of Health of Russia, 1, Pavshikh Bortsov Square, Volgograd, 400131, Russian Federation
7 Central Research Institute for Public Health Organization and Informatization, Ministry of Health of Russia, 11, Dobrolyubov St., Moscow, 127254, Russian Federation