Konstanty-Kalandyk, Janusz, Department of Cardiovascular Surgery and Transplantology, John Paul II Hospital, Krakow, Poland Konstanty-Kalandyk, Janusz, Department of Cardiovascular Surgery and Transplantology, Jagiellonian University, John Paul II Hospital, Krakow, Poland. Konstanty-Kalandyk, Janusz, 1. Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland; 2. Department of Cardiovascular Surgery and Transplantology, John Paul II Hospital, Krakow, Poland; Konstanty-Kalandyk, Janusz Konstanty-Kalandyk, Janusz (Poland) Konstanty-Kalandyk, Janusz Konstanty-Kalandyk, Janusz Konstantynowicz, Mateusz Könte, Hasan Can Kontogiannis, Nestoras Kontopodis, Eleftherios Kontrimaviciute, Egle, Clinic of Anesthesiology and Intensive Care, Vilnius University, Vilnius, Lithuania Kontrimaviciute, Egle, Clinic of Anaesthesiology and Intensive Care, Vilnius University, Vilnius, Lithuania Kontrimaviciute, Egle Konwerski, Michał Koo, Bon−Kwon Koopmann, Matthias Kopacz, Ewa Kopacz, Paulina Kopaczewski, Jerzy Kopala, Marek Kopala, Marek Kopeć, Elżbieta Kopeć, Grzegorz, Department of Cardiac and Vascular Diseases, Jagiellonian University, Medical College, John Paul II Hospital, Krakow, Poland Kopeć, Grzegorz