1. Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
2. Departments of Rheumatology and Research and Development, Dudley Group NHS Foundation Trust (Teaching Trust of the University of Birmingham, UK), Russells Hall Hospital, Dudley, UK.
3. Department of Internal Medicine #2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine.
4. Department of Biology and Biochemistry, South Kazakhstan Medical Academy, Shymkent, Kazakhstan.
5. Centre for Epidemiology versus Arthritis, University of Manchester, Manchester, UK.