1. Clinical Immunology Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
2. Department of Surgery, McGill University, Montreal, QC, Canada H3A OG4
3. Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
4. Pathomorphology Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
5. Statistics Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
6. Forensic Medicine Service, Moscow City Health Department, Moscow 111020, Russia
7. Surgery Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia