Chmielewski, Przemysław Chmura, Kaja, Jagiellonian University Medical College Chmurawa, Jarosław, Śląski Uniwersytet Medyczny Chmurawa, Jarosław, 1st Department of Cardiology, Medical University of Silesia, Katowice, Poland (Poland) Cho, Kyung Hoon Cho, Iksung Cho, Sang-Geon Cho, Sung Woo, Division of Cardiology, Department of Internal Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea; Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea Cho, Wook Hyun Chochola, Miroslav, 2nd Department of Medicine, First Faculty of Medicine, Charles University, Prague Chodkowska, Ewa Chodór, Beata Chodór, Beata Chodór, Paweł, Students Scientific Circle, Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Silesian University of Medicine, Silesian Centre for Heart Diseases Chodór, Piotr, 1st Dept of Cardiology, Silesian Center For Heart Diseases Zabrze Chodór, Piotr Chodór-Rozwadowska, Karolina Choi, Phil-jo Choi, Suk Koo Chojdak-Łukasiewicz, Justyna Chojecka, Dominika Chojnacka, Karolina, 1st Department of Cardiology, Medical University of Warsaw Chojnicki, Maciej Chojnicki, Maciej, Department of Paediatric Cardiac Surgery, Nicolaus Copernicus Pomeranian Centre of Traumatology, Gdansk, Poland (Poland) Chojnicki, Maciej, Oddział Kardiochirurgii Dziecięcej im. WOŚP, Copernicus PL Sp. z o.o., Gdańsk