V Kanthasamy (Presenting Author) – Barts and London NHS Trust, London; J Cranfield – Barts and London NHS Trust, London; A Creta – Barts and London NHS Trust, London; R Hunter – Barts and London NHS Trust, London; R Schilling – Barts and London NHS Trust, London; M Earley – Barts and London NHS Trust, London; V Ezzat – Barts and London NHS Trust, London; S Sporton – Barts and London NHS Trust, London; M Lowe – Barts and London NHS Trust, London; M Finlay – Barts and London NHS Trust, London