[1
]
Multidisciplinary Cardiovascular Research Centre and Biomedical Imaging Science Department,
Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds,
United Kingdom. Electronic address: s.plein@leeds.ac.uk.
[2
]
Institute for Biomedical Engineering, University and Eidgenössische Technische Hochschule
Zurich, Zurich, Switzerland.