Take Charge! General Surgery and Urology TREVATT, ALEXANDER (SPECIALIST REGISTRAR, ROYAL FREE HOSPITAL, ROYAL FREE LONDON NHS FOUNDATION TRUST, LONDON, UK),BOULTON, RICHARD (BARNET HOSPITAL, ROYAL FREE NHS LONDON TRUST, UK),FRANCIS, DAREN (CONSULTANT GENERAL AND COLORECTAL SURGEON, BARNET HOSPITAL, ROYAL FREE NHS LONDON TRUST.)