1. V.A. Nasonova Research Institute of Rheumatology
2. Rostov State Medical University, Ministry of Health of Russia
3. Orenburg State Medical University, Ministry of Health of Russia
4. Pacific State Medical University, Ministry of Health of Russia
5. Irkutsk State Medical Academy of Postgraduate Education
6. Railway Clinical Hospital at the Voronezh-1 Station, OAO «RZhD»
7. V.I. Razumovsky Saratov State Medical University, Ministry of Health of Russia
8. N.N. Priorov Central Research Institute of Traumatology and Orthopedics, Ministry of Health of Russia
9. I.I. Mechnikov North-Western State Medical University, Ministry of Health of Russia
10. Kazan State Medical University, Ministry of Health of Russia
11. Railway Clinical Hospital at the Novosibirsk-Main Station, OAO «RZhD»
12. Epidemiology, and Health Economics, Centre Hospitalier Universitaire in Sart-Tilman, Universite de Liege
13. MRC Lifecourse Epidemiology Unit, University of Southampton
14. NIHR Musculoskeletal Biomedical Research Unit, University of Oxford
15. Kursk State Medical University, Ministry of Health of Russia