1. Center for Child Health, Behavior and Development, Seattle Children’s Research Institute, Seattle WA, USA
2. Department of Pediatrics, University of Washington, Seattle, Washington, USA
3. School of Medicine, Oregon Health & Science University, Portland, Oregon, USA
4. Department of Health Sciences and Kinesiology, Georgia Southern University, Statesboro, Georgia, USA
5. School of Medicine, Northwestern University, Evanston, Illinois, USA
6. Center on Brain Injury, Research and Training, University of Oregon, Eugene, Oregon, USA
7. Senturia and Rabkin Consulting, Seattle WA, USA