1. Department of Cardiology; St. Antonius Hospital; Nieuwegein The Netherlands
2. Department of Cardiology; Cardioangiologisches Centrum Bethanien; Frankfurtt Germany
3. Department of Cardiology; John Radcliffe Hospital; Oxford United Kingdom
4. Department of Cardiology; Cardio Vasculäres Centrum Sankt Katharinen; Frankfurt Germany
5. Department of Cardiology; Ospedale Ferrarotto Alessi; Catania Italy
6. Department of Cardiology; CHU Henri Mondor; Créteil France
7. Department of Cardiology; Boston Scientific Corp; Minneapolis USA
8. Department of Cardiology; Herzkatheter Asklepios Wandsbek; Hamburg Germany