Demir, Ahmet Demir, Ibrahim Demir, Kenan Demir, Mehmet, Department of Cardiology, Bursa Yüksek İhtisas Education and R esearch Hospital, Bursa, Turkey Demır, Mustafa, Gulhane Medical Faculty Demır, Mustafa, Gulhane Medical Faculty, Dept. of Cardiology, Ankara, Turkey (Türkiye) Demir, Şerafettin, Department of Cardiology, Adana State Hospital, Adana, Turkey Demir, Tevfik, Eskisehir Osmangazi Universty, Pediatric Cardiology Department Demirbag, Recep Demirbas, Seref Demircioglu, Kenan, Istanbul Medeniyet University, Faculty of Medicine, Department of Cardiology, Goztepe Training and Research Hospital, Istanbul, Turkey. Demirdogen, Ezgi, Uludağ University,School of Medicine, Department of Pulmonary Medicine, Bursa,Turkey Demirel, Atalay Demiri, Edis Demirkol, Sait, Department of Cardiology, Gulh ane Medical Academy Demirkol, Sait Demirkol, Sait, Department of Cardiology, Gulhane Medical Academy, Gulhane School of Medicine (Türkiye) Demırkol, Sait, Gulhane Medical Faculty Demırkol, Sait, Department of Cardiology, Gulhane Medical Academy Ankara,Turkey Demırkol, Sait, Gulhane Medical Faculty, Dept. of Cardiology, Ankara, Turkey (Türkiye) Demirtas, Sinan Demkow, Marcin Demkow, Marcin Demkow, Marcin, Department of Coronary Artery Disease and Structural Heart Diseases, Institute of Cardiology Warsaw (Poland) Demkow, Marcin