[1] Izmir Katip Celebi Univ, Fac Med, Dept Internal Med, Div Rheumatol, Izmir, Turkey
[2] Hacettepe Univ, Vasculitis Ctr, Ankara, Turkey
[3] Izmir Katip Celebi Univ, Dept Pathol, Fac Med, Izmir, Turkey
[4] Hacettepe Univ, Dept Pathol, Fac Med, Ankara, Turkey
[5] Hacettepe Univ, Dept Internal Med, Fac Med, Ankara, Turkey
[6] Izmir Katip Celebi Univ, Div Nephrol, Dept Internal Med, Fac Med, Izmir, Turkey
[7] Hacettepe Univ, Div Nephrol, Dept Internal Med, Fac Med, Ankara, Turkey
[8] Hacettepe Univ, Div Rheumatol, Dept Internal Med, Fac Med, Ankara, Turkey
[9] Izmir Katip Celebi Univ, Div Rheumatol, Fac Med, Izmir, Turkey