Wierzbowski, Robert, Military Institute of Medicine in Warsaw, Department of Cardiology and Internal Diseases Wierzchowiecki, Michał Wieteska, Małgorzata Wiewiórka, Łukasz Wijns, William, Department of Cardiology, Onze Lieve Vrouw Ziekenhuis, Aalst, Belgium Wiktorowicz, Agata Wiktorska, Anna Wilczek, Antoni Wilczek, Jacek Wilczek, K. Wilczek, Krzysztof Wilczek, Krzysztof, Silesian Center for Heart Diseases, 3rd Department of Cardiology, Medical University of Silesia, (Poland) Wilczek, Krzysztof, 3rd Department of Cardiology, Silesian Center for Heart Diseases, Medical University of Silesia, Zabrze, Poland Wilczek, Krzysztof Wilczek, Krzysztof (Poland) Wilczek, Rajmund Wilczewski, Przemysław Wilczok, Urszula Mazurek i Tadeusz Wilczyńska, Joanna Wilczyńska-Burlikowska, Joanna Wilczyński, Jakub Wildi, Karin Wileczek, Antoni Wileczek, Antoni Wilimski, Radosław, Department of Cardiac Surgery, Medical University of Warsaw