1. BARROW Neurological Institute at Phoenix Children's Hospital, Phoenix, Arizona, USA.
2. Child Health, University of Arizona College of Medicine–Phoenix, Phoenix, Arizona, USA.
3. Midwestern University, Glendale, Arizona, USA.
4. Arizona State University, Tempe, Arizona, USA.
5. Phoenix VA Health Care System, Phoenix, Arizona, USA.
6. UCLA Brain Injury Research Center, Department of Neurosurgery, and Intellectual Development and Disabilities Research Center, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California, USA.
7. Virginia Commonwealth University, Richmond, Virginia, USA.
8. Uppsala University Hospital, Uppsala, Sweden.
9. University of Pittsburgh, Pittsburgh, Pennsylvania, USA.