[1] Petz Aladar Cty Teaching Hosp, Hid U-2, H-9025 Gyor, Hungary
[2] Univ Szeged, Doctoral Sch Clin Med, Koranyi Fasor 6, H-6720 Szeged, Hungary
[3] Semmelweis Univ, Sch PhD Studies, Ulloi Ut 26, H-1085 Budapest, Hungary
[4] Univ Debrecen, Med & Hlth Sci Ctr, Nagyerdei Korut 98, H-4012 Debrecen, Hungary
[5] Natl Inst Rheumatism & Physiotherapy, Rheumatol Dept 3, Frankel L U 25-29, H-1023 Budapest, Hungary
[6] Polyclin Hosp Bros St John God, Arpad Fejedelem Utja 7, H-1023 Budapest, Hungary
[7] Univ Szeged, Fac Med, Doctoral Sch Clin Med, Dept Orthoped, Szeged, Hungary