1. Department of Cardiology, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey
2. Department of Cardiology, Haydarpasa Sultan II. Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
3. Department of Rheumatology, Marmara University Faculty of Medicine, Istanbul, Turkey
4. Department of Cardiology, Van Training and Research Hospital, Van, Turkey