1. Brain and Spinal Injury Center, San Francisco General Hospital, San Francisco, California.
2. Department of Neurological Surgery, University of California, San Francisco, California.
3. Department of Public Health, Erasmus MC-University Medical Center, Rotterdam, The Netherlands.
4. Department of Radiology, University of California, San Francisco, California.
5. Department of Neurological Surgery and Neurotrauma Clinical Trials Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
6. Seton Brain and Spine Institute, Austin, Texas.
7. Department of Rehabilitation Medicine, Mount Sinai School of Medicine, New York, New York.
8. Department of Neurosurgery, Antwerp University Hospital, Edegem, Belgium.
9. Department of Psychology, University of Texas, Austin, Texas.
10. Division of Anaesthesia, University of Cambridge, Addenbrooke's Hospital, Cambridge, United Kingdom.