1. Department of Critical Care, Major Trauma and Head Injuries Sheffield Teaching Hospital NHS Foundation Trust Sheffield UK
2. University of Sheffield Medical School Sheffield UK
3. Department of Intensive Care Chesterfield Royal Hospital NHS Foundation Trust Chesterfield UK
4. Department of Neurosciences, Major Trauma and Head Injuries Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
5. Neurology and Stroke Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust Doncaster UK
6. Major Trauma and Head Injuries Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
7. Department of Anaesthesia Northampton General Hospital NHS Trust Northampton UK