Simula Research Laboratory, Center for Cardiological Innovation and Center for Biomedical Computing, Oslo, Norway, Department of Biotechnology and Molecular Medicine, A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland.|Institute of Biomedical Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany.|Simula Research Laboratory, Center for Cardiological Innovation and Center for Biomedical Computing, Oslo, Norway.|Department of Biotechnology and Molecular Medicine, A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland.