1. Division of Behavioral Medicine & Clinical Psychology, Cincinnati Children's Hospital Medical Center; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
2. Emory Sports Performance and Research Center, Flowery Branch, Georgia, USA.
3. The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center; Cincinnati, Ohio, USA.
4. Department of Psychology, University of Tampa, Tampa, Florida, USA.
5. Division of Radiology, Pediatric Neuroimaging Research Consortium, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
6. Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
7. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, USA.
8. Sports Performance and Research Center, Department of Orthopaedics, Emory University School of Medicine, Flowery Branch, Georgia, USA.
9. Youth Physical Development Centre, School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, United Kingdom; Sport Performance Research Institute, New Zealand (SPRINZ), AUT University, Auckland, New Zealand; Centre for Sport Science and Human Performance, Waikato Institute of Technology, Hamilton, New Zealand; Cyncoed Campus, Cardiff, Wales.
10. Sport Medicine Center, Children's Hospital Colorado, Aurora, Colorado; Department of Orthopedics, University of Colorado, Aurora, Colorado, USA.
11. The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA.