1. The Intervention Centre; Oslo University Hospital; Oslo Norway
2. Institute of Radiology, University of Würzburg; Würzburg Germany
3. Siemens AG; Healthcare Sector; Erlangen Germany
4. Department of Internal Medicine; University of Würzburg; Würzburg Germany
5. Department of Pediatric Radiology; Medical University Graz; Graz Austria
6. Comprehensive Heart Failure Center; University of Würzburg; Würzburg Germany