1. Vera C. Kaelin, MScOT, is PhD Student and Graduate Research Assistant, Program in Rehabilitation Sciences, University of Illinois at Chicago.
2. Erin R. Wallace, PhD, is Research Consultant, Department of Occupational and Environmental Health Sciences, University of Washington, Seattle. At the time this research was conducted, Wallace was Clinical Research Scientist, Center for Child Health, Behavior, and Development, Seattle Children’s Research Institute, Seattle, WA.
3. Martha M. Werler, DSc, is Professor, Department of Epidemiology, School of Public Health, Boston University, Boston, MA.
4. Brent R. Collett, PhD, is Associate Professor, Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle.
5. Janine Rosenberg, PhD, is Pediatric Psychologist, Department of Psychiatry and Surgery, University of Illinois Hospital and Health Science System, Chicago, IL.
6. Mary A. Khetani, ScD, is Associate Professor, Department of Occupational Therapy, College of Applied Health Sciences and Program in Rehabilitation Sciences, University of Illinois at Chicago, and Research Scientist, CanChild Centre for Childhood Disability Research, McMaster University, Hamilton, Ontario, Canada; mkhetani@uic.edu