1. Department of Neurosurgery, University of Cincinnati (UC) College of Medicine, Cincinnati, Ohio.
2. Division of Neurosurgery, Virginia Commonwealth University, Richmond, Virginia.
3. Department Anesthesia and Intensive Care, University of Torino, Torino, Italy.
4. Department of Neurosurgery, University of Miami, Miami, Florida.
5. Neurotrauma Center, UC Neuroscience Institute, Cincinnati, Ohio.
6. Mayfield Clinic, Cincinnati, Ohio.