Jodko, Łukasz, Department of Cardiology, Pomeranian Medical University, Szczecin, Poland Johanson, Per, AstraZeneca AB, GMed CVMD, SE-431 83 Mölndal, Sweden John, Ivo Johner, Nicolas Johnson, Brent Johnson, Nils P. Johnson, Thomas W. Johnston, Nicola, Royal Victoria Hospital Belfast Johri, Amer M., Cardiovascular Imaging Network Queen’s, Queen’s University Kingston Ontario, Canada Jomah, Mahmoud Jones, Richard E. Jones, Roy, University of Rochester Medical Center, Rochester, New York Jones, Roy Joniec, Michał Jonik, Szymon Jopek, Renata Jordaens, Luc Jorge-Soto, Cristina Josiak, Krystian, Cardiology Department, Centre for Heart Diseases, 4th Military Hospital, Wroclaw, Poland Department of Heart Diseases, Wroclaw Medical University, Wroclaw, Poland Josiak, Krystian (Poland) Journals, Editors of the HEART Group Jozaghi, Solmaz Jołda-Mydłowska, Beata Juan Manuel Fraga S., Jubran, Ayman