Kleczyński, Paweł, Jagiellonian Unoversity Medical College Kleczyński, Paweł, 2nd Department of Cardiology, Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland (Poland) Kleczyński, Paweł, 2nd Department of Cardiology, Jagiellonian University Medical College, Krakow, Poland Kleczyński, Paweł Kleczyński, Paweł, Institute of Cardiology, Krakow, Poland (Poland) Kleczyński, Paweł Kleczyński, Paweł Kleczyński, Paweł Kleikamp, Georg, Heart and Cardiovascular Centre Nordrhein-Westfalen Ruhr University Bochum Germany Department of Cardiovascular Surgery, 32545 Bad Oeynhausen, Georgstr. 11, Germany Klein, Moti Kleinrok, Andrzej, Pope John Paul II Voivodship Hospital in Zamosc, Zamosc, Poland Kleinrok, Andrzej, Department of Cardiology, John Paul II Hospital, Zamosc, Poland Kleinrok, Andrzej, Regional Hospital in Zamość Kleinrok, Andrzej Kleinrok, Andrzej Kleinrok, Andrzej Kleinrok, Andrzej (Poland) Klejna, Katarzyna Klemenska, Emilia Klepetko, Walter Klepuszewski, Maciej, Student’s Scientific Organisation, Laboratory for Applied Research on Cardiovascular System, Wroclaw Medical University, Wroclaw, Poland. Klich-Rączka, Alicja Klim, Beata Klima, Łukasz, 1st Department of Cardiology and Hypertension, Jagiellonian University Medical College, Krakow, Poland Klima, Łukasz, 1st Department of Cardiology, Interventional Electrocardiology and Arterial Hypertension, Hospital University, Jagiellonian University, Medical College, Krakow, Poland