S Griffiths (Presenting Author) – Royal Brompton Hospital, London; J Behar – Royal Brompton Hospital, London; M Debney – Royal Brompton Hospital, London; C Monkhouse – Barts Heart Centre, London; M Lowe – Barts Heart Centre, London; E Cantor – Royal Brompton Hospital, London; V Boyalla – Royal Brompton Hospital, London; N Karim – Royal Brompton Hospital, London; J Till – Royal Brompton Hospital, London; V Markides – Royal Brompton Hospital, London; J Clague – Royal Brompton Hospital, London; T Wong – Royal Brompton Hospital, London