1. Department of Cardiology Yeditepe University Hospital Istanbul Turkey
2. Department of Cardiology, Faculty of Medicine Istanbul University‐Cerrahpasa Istanbul Turkey
3. Department of Cardiology, Kocaeli Derince Training and Research Hospital University of Health Sciences Kocaeli Turkey
4. Department of Cardiology Kansas City Heart Rhythm Institute and Research Foundation Overland Park Kansas USA
5. Department of Cardiology, Liverpool Center for Cardiovascular Science University of Liverpool and Liverpool Heart and Chest Hospital Liverpool UK