Karabay, Can Yücel Karabin, Beverly Karabinowska, Aleksandra Karabulut, Ahmet, Department Of Cardiology, Istanbul Medicine Hospital, Istanbul, Turkey Karabulut, Ahmet Karabulut, Erdem, Department of Biostatistics, Hacettepe University, Ankara, Turkey Karabulut, Onur, Ataturk Research and Training Hospital, Department of Obstetrics and Gynecology, ankara Karaca, Gürkan, Dr.Siyami Ersek Thoracic andCardiovascular Surgery Research and Training Hospital , İstanbul Karaca, Oğuz, Medipol University, Faculty of Medicine, İstanbul,Turkey Karaçavuş, Seyhan, Bozok University, Faculty of Medicine, Department of Nuclear Medicine, Yozgat, TURKEY Karadag, Ayse Serap, Istanbul Medeniyet University, Faculty of Medicine, Department of Dermatology, Goztepe Training and Research Hospital, Istanbul, Turkey. Karadas, Filiz Karaduman, Mehmet, Department of Internal Medicine, Gulhane Military Medical Faculty, Ankara, Turkey. Karagiannis, Asterios, 2nd Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippocration Hospital, Thessaloniki, Greece. Karagöz, Ahmet Karahan, Zulkuf, Diyarbakır Gazi Yaşargil Education and Research Hospital , Cardiology Department Karahan, Zulkuf Karakas, Mehmet Fatih Karakas, Mustafa Serkan Karakawa, Masahiro Karakaya, Ekrem Karakoyun, Suleyman Karakulak, Uğur Karakulak, Ugur Nadir, Occupational Diseases Hospital, Cardiology Department, Ankara Turkey. Karakulak, Ugur Nadir, Occupational Diseases Hospital, Department of Cardiology, Ankara (Türkiye)