1. Department of Public Health, Center for Medical Decision Making, Erasmus MC, Rotterdam, The Netherlands.
2. Department of Neurosurgery, Antwerp University Hospital, Edegem, Belgium.
3. Department of Public Health, Weill Cornell Medical College, New York, New York.
4. Department of Neurological Surgery, Weill Cornell Medical College, New York, New York.
5. Brain Trauma Foundation, New York, New York.