1. Department of Health Economics, Corvinus University of Budapest, Budapest, Hungary
2. Doctoral School of Business and Management, Corvinus University of Budapest, Budapest, Hungary
3. Rheumatology Research Center, Schlosspark-Klinik Charite, University Medicine Berlin, Berlin, Germany
4. Division of Rheumatology, Department of Medicine, University of Debrecen Faculty of Medicine, Debrecen, Hungary
5. Department of Rheumatology, Flór Ferenc County Hospital, Kistarcsa, Hungary