Er, Hakan, Akdeniz University Erbay, Ali Rıza, Bozok University, Faculty of Medicine, Department of Cardiology, Yozgat, TURKEY Erdem, Alim Erdem, Alim, Department of Cardiology, Abant Izzet Baysal University, Medical Faculty, Bolu, Turkey Erden, Emine C. Erden, Emine Çakcak Erden, Ismail Erden, İsmail, Kocaeli Derince Training and Research Hospital Ibni Sina Bl. Derince 41900 Kocaeli Erdinler, İzzet, Siyami Ersek Cardiovascular and Thoracic Surgery Center, 34087, Istanbul, Turkey Erdogan, Dogan, Suleyman Demirel University Erdogan, Ercan Erdoğan, Guney, Ordu State Hospital , Cardiology Department Erdogan, Guney Erdogan, Ilkay, Baskent University Medical Faculty, Department of Pediatric Cardiology, Ankara/Turkey Erdogan, Okan Erdogan, Sıddık, Department of Cardiology, Gulhane Medical Faculty Ereciński, Jan Ereciński, Janina Aleszewicz-Baranowska i Jan Erek Toprak, Aybala, Istanbul Medeniyet University, Faculty of Medicine, Department of Biochemistry, Goztepe Training and Research Hospital, Istanbul, Turkey. Eren, Fatih Eren, Mehmet Eren, Mehmet, Department of Cardiology, Training and Research Hospital, Siyami Ersek Thoracic and Cardiovascular Surgery Center, Istanbul, Turkey (Türkiye) Eren, Nihan Kahya Eren, Nihan Kahya, Department of Cardiology, Ataturk Education and Research Hospital, Izmir, Turkey Eren, Önder