1. Interventional Cardiology, MedStar Washington Hospital Center , 110 Irving Street NW, Suite 4B-1, Washington, DC 20010 , USA
2. Department of Cardiology, Miedziowe Centrum Zdrowia SA , Lubin , Poland
3. Department of Interventional Cardiology, OLVG , Amsterdam , The Netherlands
4. Cardiovascular Center Oberallgäu-Kempten , Kempten , Germany
5. Department of Cardiology, Ziekenhuis Oost Limburg (ZOL) , Genk , Belgium
6. Division of Cardiology, Hospital Clinico San Carlos IDISSC, Complutense University of Madrid , Madrid , Spain
7. Cardiology Division, University Hospital of Geneva , Geneva , Switzerland
8. Department of Cardiovascular Medicine, University Hospitals Leuven , Leuven , Belgium
9. Division Cardiology, Medical University Graz , Graz , Austria
10. Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München , München , Germany
11. Deutsches Zentrum für Herz- und Kreislauf-Forschung (DZHK) e.V. (German Center for Cardiovascular Research), Partner Site Munich Heart Alliance , Munich , Germany
12. Cardiology Department, Heart Center Segeberger Kliniken , Bad Segeberg , Germany
13. Department of Cardiology and Intensive Care, Johannes Wesling University Hospital, Ruhr University Bochum , Minden , Germany
14. Department of Cardiology, Skane University Hospital , Lund , Sweden
15. Interventional Cardiology, ZNA Middelheim , Antwerpen , Belgium
16. Medical Clinic I, Rheinland Klinikum Neuss GmbH, Lukaskrankenhaus , Neuss , Germany