1. The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
2. Department of Medical Education, Riverside Methodist Hospital, Columbus, Ohio.
3. Duke University School of Medicine, Durham, North Carolina.
4. Department of Emergency Medicine, University of Rochester School of Medicine, Rochester, New York.
5. Pediatric Neuroimaging Research Consortium, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
6. Division of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
7. College of Medicine, University of Cincinnati, Cincinnati, Ohio.
8. Division of Emergency Medicine, Boston Children's Hospital, Boston, Massachusetts.
9. Harvard Medical School, Boston, Massachusetts.
10. School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana.
11. Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana.
12. Departments of Pediatrics and Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio.
13. The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts.