1. Centre for Neuroscience and Trauma, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
2. Section of Anaesthetics, Pain Medicine, and Intensive Care, Department of Surgery and Cancer, Imperial College London, SW10 9NH, United Kingdom
3. William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
4. Medical Faculty, Centre Medical Universitaire, University of Geneva, Geneva, Switzerland