1. Division of Anaesthesia, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom.
2. Department of Surgery, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.
3. Clinician Investigator Program, Rady Faculty of Health Science, University of Manitoba, Winnipeg, Manitoba, Canada.
4. Brain Physics Laboratory, Division of Neurosurgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom.
5. Division of Neurosurgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom.
6. Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland.