1. Clinical Division of Angiology Department of Internal Medicine, Medical University Graz Graz Austria
2. Hanusch Hospital Vienna Vienna Austria
3. Auckland City Hospital Auckland New Zealand
4. RoMed Klinikum Rosenheim Germany
5. Park Krankenhaus Leipzig Germany
6. St Franziskus Hospital Muenster Germany
7. Medical University of Vienna Vienna Austria
8. Newton‐Wellesley Hospital Newton Massachusetts
9. Yale University School of Medicine New Haven Connecticut
10. BARTS Heart Center London United Kingdom
11. The William Harvey Research InstituteQueen Mary University of London London United Kingdom
12. Universitäts‐ Herzzentrum Freiburg Bad Krozingen Germany