1. UPMC Centers for Rehab Services UPMC Sports Medicine Concussion Program Pittsburgh Pennsylvania USA
2. Departments of Internal Medicine and Neurology University of Arizona College of Medicine‐Phoenix Phoenix Arizona USA
3. Departments of Rehabilitation Medicine, Orthopaedics and Sports Medicine and Neurological Surgery University of Washington Seattle Washington USA
4. Department of Neurology University of Colorado School of Medicine Aurora Colorado USA
5. Department of Health, Human Performance and Recreation University of Arkansas Fayetteville Arkansas USA
6. Department of Clinical & Health Psychology University of Florida Department of Clinical & Health Psychology Gainesville Florida USA
7. UGA Concussion Research Laboratory, Department of Kinesiology University of Georgia Athens Georgia USA
8. Department of Kinesiology University of Virginia Charlottesville Virginia USA
9. Department of Psychiatry & Neurobehavioral Sciences University of Virginia School of Medicine Charlottesville Virginia USA