[1] Hacettepe Univ, Med Fac, Div Rheumatol, Dept Internal Med, Ankara, Turkey
[2] Istanbul Univ Cerrahpasa, Cerrahpasa Med Fac, Div Rheumatol, Dept Internal Med, Istanbul, Turkey
[3] Dokuz Eylul Univ, Fac Med, Div Rheumatol, Dept Internal Med, Izmir, Turkey
[4] Istanbul Univ, Istanbul Med Fac, Div Rheumatol, Dept Internal Med, Istanbul, Turkey
[5] Istanbul Univ Cerrahpasa, Cerrahpasa Med Fac, Div Rheumatol, Dept Internal Med, Istanbul, Turkey
[6] Hacettepe Univ, Med Fac, Dept Dermatol, Ankara, Turkey
[7] Erciyes Univ, Med Fac, Dept Dermatol, Kayseri, Turkey
[8] Uludag Univ, Med Fac, Dept Dermatol, Bursa, Turkey
[9] Gazi Univ, Gazi Med Fac, Dept Dermatol, Ankara, Turkey
[10] Istanbul Univ Cerrahpasa, Cerrahpasa Med Fac, Dept Dermatol, Istanbul, Turkey
[11] Koc Univ, Dept Dermatol, Istanbul, Turkey