Gurbel, Paul A. Gurbel, Paul A. Gürbüz, Ahmed Seyfettin, Department of Cardiology, Yunus Emre State Hospital, Eskisehir ,Turkey Gurbuz, Orcun Gurbuz, Ozlem Zeynep, Istanbul Education and Research Hospital Gurdogan, Muhammet, Department of Cardiology, Edirne State Public Hospital, Edirne, Turkey Gurdogan, Muhammet Gürel, Emre, Ordu State Hospital, Ordu, Turkey Gürel, Yusuf Emre, Ordu State Hospital, Cardiology Gurgul, Edyta, Uniwersytet Medyczny im. K. Marcinkowskiego Gurkan, Ufuk, Siyami Ersek Thoracic and Cardiovascular Surgery Center Gurkan, Ufuk Gurkan Yesil, Fahri Gurler, Bulent, Gaziantep University Gürsoy, Havva Tuğba, Ankara Numune Education and Research Hospital Gürsoy, Mustafa O., Kartal Kosuyolu Heart Training and Research Hospital Gürsoy, Mustafa Ozan Gürsoy, Ozan Mustafa, Department of Cardiology, Gaziemir Nevvar Salih İşgören State Hospital, İzmir, Turkey Gussak, Ihor Guth, Stefan Gutiérrez-Barrios, Alejandro Gutiérrez-Chico, Juan Luis, Charité Medical University, Campus Benjamin Franklin, Interventional Cardiology Department, Berlin, Germany Klinikum Frankfurt an der Oder, Interventional Cardiology, Germany Institute of Cardiovascular Translational Research of the Atlantic (ICTRA), La Coruña, Spain Gutiérrez-Díez, Antonio Gutknecht, Piotr Gutknecht, Piotr