1. Neurological Institute, Cleveland Clinic, Akron General Hospital, Fairlawn, Ohio, USA;
2. Brain Trauma Foundation, Palo Alto, California, USA;
3. Department of Emergency Medicine, UT Southwestern Medical Center, Dallas, Texas, USA;
4. Uniformed Services University of Health Sciences, Avera Brain and Spine Institute, Sioux Falls, South Dakota, USA;
5. Department of Emergency Medicine, Mount Sinai, New York, New York, USA;
6. Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas, USA;
7. Department of Emergency Medicine, McGovern Medical School at the University of Texas Health Science Center at Houston (UT Health), Houston, Texas, USA