Uslu, Nevzat, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital. Usowicz-Szaryńska, Monika Ustabasıoglu, Fethi Emre, Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital Uva, Miguel Sousa Uyarel, Huseyin, Bezmialem Vakif University, School Of Medicine Uyarel, Huseyin Uygur, Begum, Cardiology Department, Istanbul Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey Uygur, Begum Uysal, Hande Uysal, Onur Kadir, Adana Numune Education and Research Hospital, Adana, Turkey Uysal, Onur Kadir, Department Of Cardiology, Adana Numune Training and Research Hospital; Adana, Turkey Uz, Omer, GMMA Haydarpasa Training Hospital, Department of Cardiology Uz, Omer, Department of Cardiology, GMMA Haydarpasa Training Hospital, Istanbul Uz, Omer, GATA Haydarpasa Training Hospital, Department of Cardiology, Uskudar, Istanbul, 34668, TURKEY Uz, Omer Uziębło-Życzkowska, Beata Uziębło-Życzkowska, Beata Uznańska, Barbara Uznańska-Loch, Barbara, Medical University of Łódź, Łódź, Poland Uznańska-Loch, Barbara, Chair and Department of Cardiology, the Medical University of Lodz, the Bieganski Hospital, 1/5 Kniaziewicza Str., 91-347 Lodz, Poland Uznańska-Loch, Barbara Uznańska-Loch, Barbara Uzun, Fatih Uzun, Fatih Uzun, Fatih