Akin, Ibrahim Akin, Kadir Okhan, Kecioren Teaching and Research Hospital Akin, Muharrem, Cardiac Arrest Center, Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany Akita, Yuzo Akiyama, Deborah R. Levy i Toshio, HVMA Division of Medicine, Brigham & Women’s and Faulkner Hospital, Boston, MA, USA Akiyama, Toshio Akkaya, Mehmet Akkaya, Mehmet Akkaya, Süleyman, Diyarbakır Gazi Yaşargil Education and Research Hospital, Cardiology Clinic, Diyarbakır, TURKEY Akkerhuis, K. Martijn Akkoyun, Dursun Cayan, Namık Kemal University, Faculty of Medicine Akkus, Oguz Akkuş, Oğuz, Adana Numune Training and Research Hospital Akpek, Mahmut Akpek, Mahmut, Department of Cardiology, Erciyes University School of Medicine, Kayseri, TURKEY (Türkiye) Akpınar, Onur Aksakal, Enbiya Aksoy, Hakan Aksoy, Hakan, Memorial Ankara Hospital, Department of Cardiology (Türkiye) Aksoy, Hakan, Memorial Ankara Hospital, Department of Cardiology, Ankara, Turkey. Aksoy, Sukru Aksoz, Zekeriya, Kecioren Teaching and Research Hospital Aksu, Feyza Aksu, Hale Unal, Mehmet Akif Ersoy Thorasic and Cardiovascular Surgery Training and Research Hospital Aktaş, İbrahim, Bursa Postgraduate Hospital