1. Department of Rheumatology and Research and Development, Dudley Group NHS Foundation Trust (A Teaching Trust of the University of Birmingham, UK), Russells Hall Hospital, Dudley, West Midlands, United Kingdom.
2. Department of Internship and Residency for General Practitioners N3, Kazakh National Medical University, Almaty, Kazakhstan.
3. Department of Marketing and Trade Deals, Kuban State University, Krasnodar, Russian Federation.
4. Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, United Kingdom.