[1] Imperial Coll London, Anaesthet Pain Med & Intens Care Sect, Dept Surg & Canc, London, England
[2] Imperial Coll London, Royal British Leg Ctr Blast Injury Studies, Dept Bioengn, London, England
[3] Imperial Coll London, Dept Bioengn, London, England
[4] Imperial Coll London, London, England
[5] Imperial Coll London, Dept Life Sci, London, England
[6] Royal Berkshire Hosp NHS Fdn Trust, Dept Anaesthet, London, England
[7] Med Directorate Joint Force Command, Royal Ctr Def Med, London, England