[1] Hacettepe Univ, Div Rheumatol, Dept Internal Med, Ankara, Turkey
[2] Osmangazi Univ, Rheumatol, Eskisehir, Turkey
[3] Gaaziantep Univ, Rheumatol, Gaziantep, Turkey
[4] Uludag Univ, Rheumatol, Bursa, Turkey
[5] Ankara Numune Training & Res Hosp, Rheumatol, Ankara, Turkey
[6] Bakirkoy Dr Sadi Konuk Training & Res Hosp, Rheumatol, Istanbul, Turkey
[7] Gulhane Mil Med Acad, Sch Med, Rheumatol, Ankara, Turkey
[8] Trakya Univ, Rheumatol, Edirne, Turkey
[9] 11 Yildirim Beyazit Univ, Ataturk Educ & Res Hosp, Rheumatol, Fac Med, Ankara, Turkey
[10] Izmir Katip Celebi Univ, Rheumatol, Sch Med, Izmir, Turkey
[11] Ege Univ, Rheumatol, Izmir, Turkey
[12] Van Educ & Res Hosp, Rheumatol, Van, Turkey
[13] Hacettepe Univ, Prevent Oncol, Ankara, Turkey