1. Department of Radiology; University Medical Center Utrecht; Utrecht The Netherlands
2. Department of Cardiology; Meander Medical Center; Amersfoort The Netherlands
3. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
4. Department of Radiology; University Medical Center Groningen; Groningen The Netherlands
5. German Heart Center; Technical University Hospital; Munich Germany
6. Department of Cardiovascular Sciences; St George's University of London; London UK