1. Department of Cardiology Catheterization Laboratory Evangelismos General Hospital of Athens Athens Greece
2. Department of Medicine and Therapeutics Faculty of Medicine Chinese University of Hong Kong Hong Kong China
3. Li Ka Shing Institute of Health Sciences Faculty of Medicine Chinese University of Hong Kong Hong Kong China
4. Department of Cardiology Helena Venizelou Hospital Athens Greece
5. Second Department of Cardiology School of Medicine University of Ioannina Ioannina Greece
6. First Department of Cardiology School of Medicine University of Ioannina Ioannina Greece
7. Department of Cardiology General Hospital of Ioannina, “G Hatzikosta” Ioannina Greece
8. Faculty Department of Internal Medicine Athens School of Medicine Sotiria General Hospital National and Kapodistrian University of Athens Athens Greece
9. Department of Cardiology Tianjin Institute of Cardiology Second Hospital of Tianjin Medical University Tianjin China
10. Division of Cardiology, Electrophysiology and Pacing Kingston General Hospital Queen's University Kingston ON Canada
11. University of Oklahoma Health Sciences Center Oklahoma City Oklahoma
12. First Cardiology Clinic Hippokration Hospital University of Athens Athens Greece