Kumor, Magdalena, Department of Congenital Cardiac Defects, Institute of Cardiology, Warsaw, Poland Kumor, Magdalena Kumor, Paweł Kundi, Harun, Ankara Numune Education and Research Hospital, Department of Cardiology, Ankara, Turkey. Kunecki, Marcin Kunecki, Marcin, John Paul II Hospital, Department of Cardiac and Vascular Diseases, Krakow. (Poland) Kuniewicz, Marcin Kunik, Piotr Kuniss, Malte, Department of Cardiology, Kerckhoff Heart and Thorax Center, Bad Nauheim, Germany Kunz, Jeffrey S. Kuo, Li-Tang, Chang Gung Memorial Hospital, Keelung; Chang Gung University College of Medicine, Taoyuan Kuo, Wei-Wen, Department of Biological Science and Technology, China Medical University, Taichung 40402 Kupczyńska, Karolina Kupczyńska, Karolina, Medical University of Lodz, Department of Cardiology (Poland) Kupczyńska, Karolina Kuperstein, Rafael Kuperstein, Rafael, Leviev Heart Institute, Sheba Medical Center, Sheba, Israel; Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel (Israel) Kuperstein, Rafael Kuperstein, Rafi Kurabayashi, Masahiko Kurata, Yasutaka, Department of Physiology II, Kanazawa Medical University, Ishikawa, Japan Kurata, Yasutaka, Kanazawa Medical University Kurata, Yasutaka, Kanazawa Medical University Kurek, Anna Kurek, Anna, 3rd Department of Cardiology, Silesian Centre for Heart Diseases, Medical University of Silesia, Zabrze, Poland