N Ahluwalia (Presenting Author) – St Bartholomew’s Hospital, London; R Zakeri – Royal Brompton Hospital, London; D Jones – Royal Brompton Hospital, London; W Hussain – Royal Brompton Hospital, London; J Jarman – Royal Brompton Hospital, London; V Markides – Royal Brompton Hospital, London; M Earley – St Bartholomew’s Hospital, London; S Sporton – St Bartholomew’s Hospital, London; RJ Schilling – St Bartholomew’s Hospital, London; RJ Hunter – St Bartholomew’s Hospital, London; T Wong – Royal Brompton Hospital, London