Choi, Woong Gil Choi, Young Jin Chojnicki, Maciej Chojnicki, Maciej, Department of Cardiology and Internal Diseases, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland Chojnicki, Maciej, Klinika Kardiologii Dziecięcej i Wad Wrodzonych Serca Akademii Medycznej w Gdańsku Chojnowska, Lidia Chojnowska-Jezierska, Julita Chojnowski, Krzysztof, Chair and Department of Internal Medicine and Endocrinology, Medical University, Warsaw, Poland Cholewa, Anna Roszczyk i Marian Cholewa, Dariusz Kozłowski i Marian Cholewa, Grzegorz Gielerak i Marian Cholewa, Jacek Gajek i Marian Cholewa, Karol Makowski i Marian Cholewa, Marian Cholewa, Wiktor Piechota i Marian Chong, Jia, Department of Cardiology, Beijing Hospital of the Ministry of Health, 100730, Beijing, China Choquet, Dominique Chorro, Francisco J. Chou, Andre Choudhary, Naila Choudhary, Naila, University of Florida, Jacksonville FL. (United States) Choudhury, Tawfiqur Chourdakis, Emmanouil Chrapek, Magdalena Chrapowicka, Agnieszka, Telecardiology Center, Institute of Cardiology, Warsaw