1. Department of Neurosurgery, Antwerp University Hospital, Edegem, Belgium.
2. University of Cambridge, Cambridge, United Kingdom.
3. Department of Public Health, Center for Medical Decision Making, Erasmus MC, Rotterdam, The Netherlands.
4. Departments of Pediatrics and Neurology, Division of Critical Care Medicine, Washington University School of Medicine, St Louis, Missouri.
5. Kaiser Foundation Rehabilitation Center, Vallejo, California.
6. Department of Neurological Surgery, Brain and Spinal Injury Center, University of California–San Francisco, San Francisco, California.