Affiliation: | 1. Sussex Cardiac Centre, Brighton and Sussex University Hospitals NHS Trust, Brighton, UK;2. Queen Elizabeth Hospital NHS Trust, Birmingham, UK;3. University Hospital Wales, Cardiff, UK;4. University Hospital Bristol, Bristol, UK;5. University Hospital Southampton, Southampton, UK;6. Department of Mathematics, Sussex University, Brighton, UK;7. Keele Cardiovascular Research Group, Centre for Prognosis Research, Institute for Primary Care and Health Sciences, Manchester, UK |