Affiliation: | SpR Anaesthetics, Harefield Hospital, Hill End Road, Harefield, Middlesex UB9 6JH, UK;, Consultant Anaesthetist and Professor of Anaesthesia, Department of Anaesthesia, College of Medicine, University of Ibadan/University College Hospital, Ibadan, Nigeria;, Consultant in Anaesthesia and Pain Medicine, Pain Management Centre, St Thomas' Hospital, Lambeth Palace Road, London SE1 7EH, UK |