1. Imaging Sciences and Biomedical Engineering Division, St Thomas' Hospital, King's College London, London, UK
2. Computing Laboratory, University of Oxford, Oxford, UK
3. Center for Computational Imaging and Simulation Technologies in Biomedicine (CISTIB), Universitat Pompeu Fabra, Barcelona, Spain
4. Networking Biomedical Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
5. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
6. INRIA Sophia-Antipolis, Sophia Antipolis Cedex, France
7. Institute of Biomedical Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
8. Department of Cardiovascular Science, University of Sheffield, Sheffield, UK
9. Academic Medical Center Amsterdam, Amsterdam, The Netherlands
10. Bioengineering Institute, University of Auckland, Auckland, New Zealand
11. Philips Research Laboratories, Eindhoven, The Netherlands
12. INRIA Paris-Rocquencourt, Paris, France