1. Departments of Rheumatology and Research and Development, Dudley Group NHS Foundation Trust (Teaching Trust of the University of Birmingham, UK), Russells Hall Hospital, Dudley, West Midlands, UK.
2. Department of Biochemistry, Biology and Microbiology, South Kazakhstan State Pharmaceutical Academy, Shymkent, Kazakhstan.
3. Department of Marketing and Trade Deals, Kuban State University, Krasnodar, Russian Federation.
4. Department of Statistics and Econometrics, Stavropol State Agrarian University, Stavropol, Russian Federation.
5. Faculty of Accounting and Finance, Department of Accounting Management Accounting, Stavropol State Agrarian University, Stavropol, Russian Federation.
6. Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, UK.