1. Department of Physical Therapy, University of Florida, Box 100154, UFHSC, Gainesville, FL 32610-0154 (USA)
2. Department of Physiology and Functional Genomics, University of Florida
3. Department of Physical Therapy, University of Florida
4. Center for Rehabilitation, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania; and Department of Physical Therapy, Arcadia University, Glenside, Pennsylvania
5. Oregon Health & Science University, Shriners Hospitals for Children, Portland, Oregon
6. Advanced Imaging Research Center, Oregon Health & Science University