1. Department of Cardiology; Porto Medical School, São João Hospital; Porto Portugal
2. Cardiology and Functional Diagnostics Department; National Medical Academy of Postgraduate Education; Kiev Ukraine
3. Department of Heart Diseases; Wroclaw Medical University; Wroclaw Poland
4. Sanofi; Paris France
5. Department of Internal Medicine-Cardiology; University of Bonn, Bonn and Department of Medicine-Cardiology and Intensive Care, Isar Heart Center; Munich Germany
6. Statistician; Lincoln; Boulogne-Billancourt France
7. Université Paris-Diderot, INSERM U-698, Département Hospitalo-Universitaire FIRE, Hôpital Bichat, AP-HP, Paris, France