1. Center for Molecular Cardiology, University of Zurich , Wagistrasse 12, 8952 Schlieren , Switzerland
2. First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa , 16132 Genoa , Italy
3. University Heart Center, Department of Cardiology, University Hospital Zurich , 8091 Zurich , Switzerland
4. Internal Medicine, Angiology and Atherosclerosis, Department of Medicine and Surgery, University of Perugia , 06123 Perugia , Italy
5. IRCCS Ospedale Policlinico San Martino Genoa – Italian Cardiovascular Network , 16132 Genoa , Italy
6. Department of Internal Medicine I, University Hospital Aachen, RWTH , 52074 Aachen , Germany
7. Department of Internal Medicine, Cantonal Hospital of Baden , 5404 Baden , Switzerland
8. Department of Research and Education, University Hospital Zurich , 8091 Zurich , Switzerland
9. Royal Brompton and Harefield Hospitals and Imperial College , SW3 6NP London , UK