Graham Douglas, BSc(Hons), MBChB, FRCP(Ed), Consultant Physician, Aberdeen Royal Infirmary; Honorary Reader in Medicine, University of Aberdeen, Aberdeen, UK, Fiona Nicol, BSc(Hons), MB BS, FRCGP, FRCP(Ed), Formerly GP Principal and Trainer, Stockbridge Health Centre; Honorary Clinical Senior Lecturer, University of Edinburgh, Edinburgh, UK and Colin Robertson, BA(Hons) MBChB FRCP(Glas) FRCS(Ed) FICP(Hon) FSAScot, Honorary Professor of Accident and Emergency Medicine and Surgery, University of Edinburgh, Edinburgh, UK