1. 1Medical Clinic I, University RWTH Aachen, Pauwelsstrasse 30, 52074, Aachen, Germany
2. 2Clinic Johannes Gutenberg, University Mainz, Mainz, Germany
3. 3Academic Hospital Dijkzigt, Rotterdam, The Netherlands
4. 4University Charite, Berlin, Germany
5. 5Medical University of Lodz, Bieganski Hospital, Lodz, Poland
6. 6Deutsches Herzzentrum, Munich, Germany
7. 7Hopital du Haut Leveque, Pessac Cedex, France
8. 8University Bonn, Bonn, Germany
9. 9Bracco Diagnostics Inc., Princeton, NJ, USA
10. 10John Radcliffe Hospital, Oxford, UK
11. 11Cliniques Universitaires Saint-Luc, Brussels, Belgium