Bayram, Nihal Akar, Yıldırım Beyazıt University, Faculty of Medicine, Department of Cardiology Bayramoglu, Adil, Cardiology Department, Ordu University Education and Research Hospital, Ordu, Turkey Baysal, Erkan, Diyarbakır Gazi Yaşargil Education and Research Hospital , Cardiology Department Baysal, Erkan Bazgier, Magdalena Bała, Małgorzata M., 2nd Department of Internal Medicine, Jagiellonian University Medical College, Krakow Bałys, Mariusz Bałys, Mariusz Becari, Christiane Becerra-Luna, Bryan Becerra-Muñoz, Victor Manuel Beck, G. Ronald Becker, Ann-Kristin Becker, Dávid Becker, Kolja Bęćkowski, Maciej, Institute of Cardiology, 2nd Department of Coronary Artery Disease, Warsaw Becucci, Alessandro, Emergency Medicine and Chest Pain Unit, Department of Critical Care Medicine and Surgery, Careggi University Hospital, Florence, Italy. Bednarek, Adrian Bednarek, Agnieszka Bednarek, Barbara Małecka i Jacek Bednarek, Jacek Bednarek, Jacek, Department of Electrocardiology, Cardiology Institute, Faculty of Medicine,Jagiellonian University, Cracow, Poland Bednarek, Jacek, Klinika Elektrokardiologii Instytutu Kardiologii Collegium Medicum Uniwersytetu Jagiellońskiego w Krakowie Bednarkiewicz, Zbigniew Bednarkiewicz, Zbigniew (Poland)