1. Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas.
2. Department of Diagnostic Imaging, Texas Children's Hospital, Houston, Texas.
3. Departments of Psychology and Neuroscience, Brigham Young University, Provo, Utah.
4. Departments of Radiology and Psychiatry, University of Utah, Salt Lake City, Utah.
5. Department of Psychology, Brigham Young University, Provo, Utah.
6. Department of Pediatrics, University of Texas Health Science Center, Houston, Texas.
7. Department of Neurobiology & Anatomy, University of Texas Health Science Center, Houston, Texas.
8. Departments of Physical Medicine and Rehabilitation, Neurosurgery, and Psychiatry, Baylor College of Medicine, Houston, Texas.