1. Division of Medical Sciences University of Victoria Victoria BC Canada
2. Scottish Rite for Children Texas Woman's University Dallas TX USA
3. Johns Hopkins School of Nursing and School of Medicine Baltimore MD USA
4. Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine Northwestern University Chicago IL USA
5. The Emmes Company Rockville MD USA
6. Division of Clinical Research National Institute of Neurological Disorders and Stroke (NINDS), National Institutes of Health Bethesda MD USA
7. Department of Physical Medicine and Rehabilitation Mayo Clinic Rochester MN USA
8. Department of Pediatric and Adolescent Medicine Mayo Clinic Rochester MN USA