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 Biology and Biochemistry, South Kazakhstan Medical Academy, Shymkent, Kazakhstan.
3. Department of Marketing and Trade Deals, Kuban State University, Krasnodar, Russian Federation.
4. Department of Economics and Organization of Production, Industrial University of Tyumen, Tyumen, Russian Federation.
5. Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, UK.