Haager, Philipp K. Haak, Alexander Haberka, Kazimierz Haberka, Kazimierz Haberka, Maciej Haberka, Maciej Haberka, Maciej (Poland) Habib, Gilbert Haboubi, Hasan Hachinohe, Daisuke Hachul, Denise, Cardiac Arrhythmias Unit, Heart Institute, University of Sao Paulo Medical School, Sao Paulo, Brazil Hadadzadeh, Mehdi Hadid, Claudio Hadid, Claudio, Arrhythmias and Electrophysiology Section, Division of Cardiology, Hospital Cosme Argerich, Buenos Aires, Argentina (Argentina) Hadid, Claudio, Hospital General Universitario Gregorio Marañón Madrid (Spain) Hadid, Claudio, Clinica y Maternidad Suizo Argentina Av Pueyrredon 1484 1426 Buenos Aires Haegeli, Laurent M., University Heart Center Zurich Haegeli, Laurent M. Hafez, Karen Hage, Fadi G., University of Alabama at Birmingham, Birmingham, AL, USA Hage, Fadi G. Hage, Fadi G., Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA Hagenbuch, Niels Haghi, Dariusch Haghi, Dariusch