N Papageorgiou (Presenting Author) – Barts Heart Centre, London; A Tyrlis – Barts Heart Centre, London; A Chow – Barts Heart Centre, London; M Lowe – Barts Heart Centre, London; C Monkhouse – Barts Heart Centre, London; A Muthumala – Barts Heart Centre, London; A Creta – Barts Heart Centre, London; M Dhinoja – Barts Heart Centre, London; RJ Hunter – Barts Heart Centre, London; S Sporton – Barts Heart Centre, London; MJ Earley – Barts Heart Centre, London; RJ Schilling – Barts Heart Centre, London; M Finlay – Barts Heart Centre, London