Kayama, Satoru Kayapinar, Osman Kayapınar, Osman, Department of Cardiology, Duzce University School of Medicine, Duzce, Kayhan, Servet, Recep Tayyip Erdoğan University, School of Medicine, Department of Pulmonary Medicine, Rize,Turkey Kayrak, Mehmet Kayrak, Mehmet, Department of Cardiology, Meram Faculty of Medicine, Selcuk University, Konya, Turkey Kayserili, Hulya Kazemi, Babak Kazemi, Davood Kazemian, Elycia, University Heart Center, Department of Cardiology, University Hospital Zurich, Switzerland Kazik, Anna, 3rd Department and Clinical Ward of Cardiology in Zabrze, Silesian Medical University in Katowice, Silesian Centre for Heart Disease, Zabrze, Poland Kazimierczak, Olga Kaźmierczak, Ewa Kazmierczak, Jaroslaw Kaźmierczak, Jarosław Kaźmierczak, Jarosław, Klinika Kardiologii Pomorskiej Akademii Medycznej w Szczecinie Kaźmierczak, Jarosław, Department of Cardiology, Pomeranian Medical University, Szczecin (Poland) Kaźmierczak, Jarosław Kaźmierczak, Paweł Kaźmierski, Maciej Kaźmierski, Maciej, III Klinika Kardiologii Śląskiej Akademii Medycznej w Katowicach Kaźmierski, Maciej, 3rd Department of Cardiology, Medical University of Silesia, Katowice, Poland Kaźmierski, Maciej Kaźmierski, Violetta Jaskuła i Maciej, III Klinika i Katedra Kardiologii Śląskiej Akademii Medycznej w Katowicach Kazui, Sho