1. Harborview Injury Prevention and Research Center, University of Washington, Seattle, WA, USA
2. Adolescent Medicine, Seattle Children’s Hospital, Seattle, WA, USA
3. Center for Child Health, Behavior and Development, Seattle Children’s Research Institute, Seattle, WA, USA
4. Neurosurgery, University of Washington, Seattle, WA, USA
5. Radiology, Seattle Children’s Hospital, Seattle, WA, USA
6. Center for Clinical and Translational Research, Seattle Children’s Research Institute, Seattle, WA, USA
7. Neuroradiology, University of Washington, Seattle, WA, USA
8. Epidemiology, University of Washington, Seattle, WA, USA
9. Applied Biomechanics Laboratory, University of Washington, Seattle, WA, USA
10. Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, USA