1. Department of Neurology, Addenbrookes Hospital, University of Cambridge, Cambridge, United Kingdom.
2. Division of Anaesthesia, Addenbrookes Hospital, University of Cambridge, Cambridge, United Kingdom.
3. Australian & New Zealand Intensive Care Research Centre (ANZIC-RC), School of Public Health and Preventive Medicine, Monash University, Melbourne Victoria, Australia; Cochrane Consumers and Communication Review Group, Centre for Health Communication and Participation, School of Psychology and Public Health, La Trobe University, Melbourne, Australia; National Trauma Research Institute, Melborne, Australia.
4. Brain Physics Lab, Division of Neurosurgery, Addenbrookes Hospital, University of Cambridge, Cambridge, United Kingdom.