1. Istanbul Sağlık Bilimleri Univercity Mehmet Akif Ersoy Cardiology and Cardiovascular Surgery Hospital, Department of Cardiology, Istanbul, Turkey
2. Kartal Lutfi Kirdar Training and Research Hospital,Internal Medicine, Turkey
3. Trakya Univercity, Rheumatology Department, Turkey
4. Kartal Lutfi Kirdar Training and Research Hospital,Internal Medicine