1. Department of Biomedical Engineering, King’s College London , Lambeth Palace Rd, London SE1 7EU , UK
2. University/BHF Centre for Cardiovascular Science, University of Edinburgh , 47 Little France Crescent, Edinburgh EH16 4TJ , UK
3. 3DLab, Sheffield Teaching Hospitals NHS Foundation Trust, Northern General Hospital , Sheffield, s5 7AU , UK
4. MR Research Collaborations, Siemens Healthcare Limited , Newton House, Sir William Siemens Square, Frimley, Camberley, Surrey, GU16 8QD , UK