El Hamriti, Mustapha El-Battrawy, Ibrahim El-Battrawy, Ibrahim (Germany) El-Dosouky, Ibtesam I., Cardiology Department, Faculty of Medicine, Zagazig University, Egypt El-Essa, Ahmad El-Gohary, Ghada M. El-Massri, Nader El-Mawardy, Mohamed, Heart Center Bad Segeberg El-Sherif, Nabil, State University of New York, Downstate Medical Center and VA New York Harbor Healthcare System, Brooklyn, NY, USA El-Sherif, Nabil El-Sherif, Nabil, State University of New York, Downstate Medical Center and New York Harbor VA Healthcare System, Brooklyn, NY, USA Elalmış, Özgül Uçar, Ankara Numune Education and Research Hospital Elalmış, Özgür Uçar, Ankara Numune Education and Research Hospital Elawady, Waleed Elbasan, Zafer Elbasan, Zafer Elbaz-Greener, Gabby Atalya, Cardiology Department, Assaf Harofeh, Medical Center, Tel Aviv University Tel Aviv Elbaz-Greener, Gabby Atalya, Cardiology Division, Assaf Harofeh Medical Center, Zerifin and Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel Elbaz-Greener, Gabby, Cardiology Department, Assaf Harofeh Medical Center Elbey, Mehmet Ali, Dicle University School of Medicine, Depar tment of Cardiology. Diyarbakir, Turkey Elbey, Mehmet Ali Elcik, Deniz Elezi, Shpend Elikowski, Waldemar Elitok, Ali, Department of Cardiology, Istanbul School of Medicine, Istanbul University, Istanbul, Turkey