Pfitzner, R. Pfitzner, Roman, Department of Cardiosurgery, John Paul II Hospital in Krakow Pfitzner, Roman Pfluecke, Christian, Heart Center Dresden at Technische Universität Dresden Dept. of Cardiology Fetscherstr. 76 01307 Dresden GERMANY Pfluecke, Christian Photiadis, Joachim Piasecki, Adam Piątek, Jacek, Department of Cardiovascular Surgery and Transplantology, John Paul II Hospital, Krakow, Poland Piątek, Jacek, Department of Cardiovascular Surgery and Transplantology John Paul II Hospital Piątek, Jacek Piątek, Jacek (Poland) Piątek, Jacek Piątek, Karolina Piątek, Karolina Piątek, Łukasz Piątek, Łukasz Piątkiewicz, Paweł, Department of Internal Diseases, Diabetology, and Endocrinology, Medical University of Warsaw, Warsaw, Poland Piątkowska, Agnieszka Piątkowska, Anna Piątkowski, Radosław, Medical University of Warsaw Piątkowski, Radosław Piątkowski, Radosław, 1st Chair and Department of Cardiology Medical University of Warsaw Piątkowski, Radosław, 1st Department of Cardiology, Medical University of Warsaw Piątkowski, Radosław Piątkowski, Radosław