From the Joint Medical Command, United Kingdom Defence Medical Services & University Hospitals Birmingham NHS Trust, Birmingham, United Kingdom.
The views expressed are those of the authors and may not reflect the views of the Ministry of Defence.
Copyright: British Crown Copyright 2012/MOD. Published with the permission of the Controller of Her Britannic Majesty’s Stationery Office.
Address for reprints: Nicholas T. Tarmey, FRCA DICM, Department of Critical Care, Ministry of Defence Hospital Unit Portsmouth, Queen Alexandra Hospital, Portsmouth PO6 3LY United Kingdom; email: email@example.com.