1. Department of Cardiology , Gaziantep Abdulkadir Yuksel State Hospital, Gaziantep, Turkey
2. Department of Cardiology, Kartal Kosuyolu Heart and Research Hospital, Istanbul, Turkey
3. Department of Cardiology, Uşak University, School of Medicine, Uşak, Turkey
4. Department of Cardiology, Goztepe Education and Research Hospital, Istanbul, Turkey