1. George E. Wahlen VA Medical Center, Salt Lake City, Utah, USA.
2. Department of Neurology, University of Utah, Salt Lake City, Utah, USA.
3. Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas, USA.
4. Department of Psychology, Brigham Young University, Provo, Utah, USA.
5. Department of Psychology, University of Calgary, Calgary, Alberta, Canada.
6. Department of Psychology and Texas Institute for Measurement, Evaluation and Statistics, University of Houston, Houston, Texas, USA.
7. Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, Virginia, USA.
8. C. Kenneth and Dianne Wright Center for Clinical and Translational Research, Virginia Commonwealth University, Richmond, Virginia, USA.
9. Department of Radiology, Baylor College of Medicine, Houston, Texas, USA.
10. E.B. Singleton Department of Pediatric Radiology, Texas Children's Hospital, Houston, Texas, USA.
11. Department of Psychology, University of South Carolina School of Arts and Sciences, Columbia, South Carolina, USA.
12. Korey Stringer Institute, Department of Kinesiology, University of Connecticut, Storrs, Connecticut, USA.
13. Michael E. DeBakey VA Medical Center, Houston, Texas, USA.