1. Cardiovascular Research Institute Basel (CRIB); Basel Switzerland
2. Department of Internal Medicine; University Hospital Basel, University of Basel; Switzerland
3. Department of Cardiology; University Hospital Basel, University of Basel; Switzerland
4. Department of Angiology; University Hospital Basel, University of Basel; Switzerland
5. Gefaesspraxis am See - Lakeside Vascular Center; Lucerne Switzerland
6. Department of General and Interventional Cardiology; Hamburg University Heart Center; Hamburg Germany