Ozturk, Cengiz, Gülhane Military Medical Faculty, Dept.of Cardiology Ozturk, Cengiz, Department of Cardiology, Gulhane Medical Faculty Ozturk, Derya, Department of Cardiology, Istanbul Mehmet Akif Er soy Thoracic and Car diovascular Surgery Training and Research Hospital Istanbul Ozturk, Derya, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Training Hospital, Department of Cardiology, Istanbul Ozturk, Derya, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Department of Cardiology, Istanbul Ozturk, Derya, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital, Department of Cardiology, Istanbul Ozturk, Fatih, Cardiology Department, Van Yuzuncu Yıl University Medicine Faculty, Van, Turkey Ozturk, Ibrahim, Istanbul Medeniyet University, Faculty of Medicine, Department of Biochemistry, Goztepe Training and Research Hospital, Istanbul, Turkey. Ozturk, Nihal, Department of Biophysics, Akdeniz University Faculty of Medicine, Antalya, Turkey Ozturk, Selcuk Ozturk, Serkan Özveren, Olcay Ozveren, Olcay, Yeditepe University Hospital, Istanbul Ozyasar, Mehmet Ozyildirim, Serhan Ozyılmaz, Sınem Ozbay, Department of Cardiology, Istanbul Mehmet Akif Er soy Thoracic and Car diovascular Surgery Training and Research Hospital Istanbul Ozyol, Ali O’Driscoll, Gerry