1. Physical Medicine and Rehabilitation Alliance of Baylor College of Medicine and the University of Texas-Houston Medical School, Houston, Texas.
2. Department of Neurology, Baylor College of Medicine, Houston, Texas.
3. Department of Pediatrics, Baylor College of Medicine, Houston, Texas.
4. Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas.
5. Department of Radiology, Baylor College of Medicine, Houston, Texas.
6. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas.
7. Center for Clinical Research and Evidence-Based Medicine at the University of Texas Medical School at Houston, Houston, Texas.
8. Vivian L. Smith Center for Neurologic Research, Department of Neurosurgery, University of Texas, Houston, Texas.
9. Silverwind Research, La Veta, Colorado.
10. Department of Psychiatry, University of Pittsburgh School of Medicine and Children's Hospital of Pittsburgh of University Medical Center, Pittsburgh, Pennsylvania.
11. Department of Radiology, University of Calgary, Calgary, Alberta, Canada.
12. Department of Pediatric Radiology, Texas Children's Hospital, Houston, Texas.
13. Seton Brain and Spine Institute, Austin, Texas.
14. Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
15. Department of Critical Care Medicine, Community Health Sciences, and Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.
16. Division of Critical Care Medicine, University of Alberta, Edmonton, Alberta, Canada.