Heinemann, Markus K. Hejazi, Seyed Fakhreddin, Assistant Professor of Cardiology, Qom University of Medical Sciences, Qom, Iran Hekimsoy, Vedat, Hacettepe University Faculty of Medicine, Department of Cardiology, Ankara, Turkey Held, Leonhard Heleniak, Zbigniew T. Heleniak, Zbigniew Hellmann, Andrzej Hellmann, Marcin Hellmich, Martin Helvaci, Aysen Hendzel, Piotr Hendzel, Piotr (Poland) Henein, Michael Y. Hennebicq, Sophie Hennig, Oliver Henrich, Katharina, University Bonn Henrikson, Charles A. Henschke, Jacek Henzel, Norbert Heo, Jaekyeong Heo, Yeon Her, Ae-Young Her, Ae-Young Her, Sung-Ho, Cardiovascular Center and Cardiology Division, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea Herbert, Ernest