Jąkała, Jacek, Krakow Cardiovascular Research Institute Krakow Jakitowicz, Janusz Jakl, Martin Jaklik, Andrzej Jakob, Philipp Jakubauskas, Artūras Jakubczyk, Michał Jakubowska, Ewa Jakubowski, Krzysztof Jalali, Arash Jalali, Rakesh Jam, Mohammad Saheb James, Stefan James, Stefan (Sweden) Jamshidi, Peiman, Cardiovascular Research Department of Tabriz University of Medical Sciences, Tabriz, Iran Jan van Geuns, Robert, Thoraxcenter, Rotterdam Janardhanan, Rajesh, Department of Cardiovascular Medicine, Sarver Heart Center, Banner-University Medical Center, Tucson, Arizona, United States Janardhanan, Rajesh, Sarver Heart Center, Division of Cardiology, Department of Medicine, Banner-University Medical Center, Tucson, United States Janas, Adam, Center for Cardiovascular Research and Development of American Heart of Poland, Katowice, Poland Janas, Adam J. Janas, Adam Janas, Jadwiga Janaszek-Sitkowska, Hanna Janc, Jarosław Jander, Sławomir, Klinika Kardiochirurgii I Katedry Kardiologii i Kardiochirurgii Uniwersytetu Medycznego w Łodzi