1. Division of Cardiovascular Medicine, Department of Medical and Health SciencesLinköping UniversityLinköping Sweden
2. Center for Medical Image Science and VisualizationLinköping UniversityLinköping Sweden
3. Department of Clinical PhysiologyKarolinska Institutet and Karolinska University HospitalStockholm Sweden
4. Division of Media and Information Technology, Department of Science and Technology/Swedish e‐Science Research CentreLinköping UniversityLinköping Sweden
5. Department of Clinical Physiology and Department of Medical and Health SciencesLinköping UniversityLinköping Sweden