1. Department of Physical Medicine and Rehabilitation; University of Minnesota; Minneapolis MN USA
2. Pediatric Neurology; Gillette Children's Specialty Healthcare; Saint Paul MN USA
3. Occupational Therapy; Gillette Children's Specialty Healthcare; Saint Paul MN USA
4. Division of Biostatistics; School of Public Health; University of Minnesota; Minneapolis MN USA
5. Biostatistical Design and Analysis Center; Clinical and Translational Science Institute; University of Minnesota; Minneapolis MN USA