Kassab, Ghassan S. Kassotis, John Kastrati, Adnan Kasznicka, Maria, Cardiac Department of the Voivodship Emergency Service and Medical Transport Station (WSPRiTS) “Meditrans” in Warsaw Kasztelowicz, Piotr Kasztura, Monika Kaszuba, Agnieszka Kaszubowski, Mariusz Katarzyńska, Agnieszka Katarzyńska-Szymańska, Agnieszka Katarzyński, Sławomir Katipoglu, Burak Kato, Mahoto, Division of Cardiovascular Medicine, Nihon University Itabashi Hospital, Nihon University School of Medicine, Tokyo, Japan Kato, Ritsushi Kato, Shingo Kato, Takeshi, Department of Disease Control and Homeostasis, Kanazawa University Graduate School of Medical Science, Kanazawa, Ishikawa, Japan Kato, Toshimitsu Kato, Yoshiya Kato, Yuta Katsarou, Ourania Katsiki, Niki, 2nd Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippocration Hospital Kattea, M. Obadah, Prince Sultan Cardiac Center Qassim, PSCCQ Burydah Qassim Saudi Arabia Katyńska, Izabela, Poznań University of Medical Sciences Cardiac Surgery and Transplantology Department Kaufmann, Beat A. Kaufmann, Damian