1. Department of Biomedical Engineering, King's College London, London, United Kingdom;
2. Institute for Experimental Medical Research, Oslo University Hospital Ullevål, Oslo, Norway;
3. KG Jebsen Cardiac Research Center and Center for Heart Failure Research, University of Oslo, Oslo, Norway;
4. National Heart and Lung Institute, Imperial College London, London, United Kingdom;
5. National Insitute of Health Research Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom; and
6. Faculty of Engineering, University of Auckland, Auckland, New Zealand