1. Department of Rheumatology, Hospital of Bács-Kiskun County, Kecskemét
2. Janssen Global Commercial Strategy Organization, Budapest
3. New Saint John Hospital and Outpatient Clinic, Budapest, Hungary
4. Janssen R&D Services, Janssen Global Commercial Organization, Horsham, PA, USA
5. Department of Rheumatology, 3rd Department of Internal Medicine, Semmelweis University, Budapest
6. Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest
7. Department of Rheumatology, Buda Hospital of the Hospitaller Order of Saint John of God, Budapest, Hungary