Jaworska, Krystyna, 1^st Department of General, Vascular and Transplantation Surgery of the Silesian Medical Academy, Katowice, Poland Jaworski, Krzysztof Jaworski, Łukasz Jayanata, Adrian Jayaraj, Joseph Jazra, Charles Jebeli, Mohammad, Cardiac Surgery Department, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran Jędrychowska, Magdalena, 2nd Department of Cardiology and Cardiovascular Interventions, University Hospital, Krakow, Poland Jędrychowska, Magdalena Jędrzejczyk, Szymon Jędrzejczyk- Patej, Ewa Jędrzejczyk-Patej, Ewa, Department of Cardiology, Congenital Hear t Disease and Electrotherapy, Medical University of Silesia, Silesian Center for Heart Diseases, Zabrze, Poland Jędrzejczyk-Patej, Ewa, Department of Cardiology, Congenital Hear t Disease and Electr otherapy, Silesian Medical Univer sity, Silesian Centre for Hear t Diseases, Zabrze, Poland Jędrzejczyk-Patej, Ewa, Department of Cardiology, Congenital Heart Diseases and Electr otherapy, Silesian Medical University, Silesian Center for Heart Diseases Zabrze Jędrzejczyk-Spaho, Joanna Jedrzejek, Marek Jędrzejewski, Jarosław Jedynak, Zbigniew Jedynak, Zbigniew, Klinika Zaburzeń Rytmu Serca Instytutu Kardiologii w Warszawie Jeevanantham, Vinodh, Wake Forest University Medicine Winston, Salem, USA Jeevanantham, Vinodh Jeevanantham, Vinodh, Wake Forest University, Winston-Salem, NC, USA Jegier, Aleksandra Marciniak i Anna Jegier, Bogdan, Department of Cardiac Surgery, 1st Chair of Cardiology and Cardiac Surgery, Medical University of Łódź, Poland Jegier, Bogdan