1. Department of Scientific and Clinical Work, Doctoral and Master’s Studies, South Kazakhstan Medical Academy, Shymkent, Kazakhstan.
2. Department of Clinical Rheumatology and Immunology, University Hospital in Krakow, Krakow, Poland.
3. National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland.
4. Department of Internal Medicine N2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine.
5. Department of Biology and Biochemistry, South Kazakhstan Medical Academy, Shymkent, Kazakhstan.
6. Department of Physical Medicine and Rehabilitation, University of Health Sciences, Adana City Research and Training Hospital, Adana, Turkiye.