1. MK Kaminker, PT, MS, PCS, is Physical Therapist, Department of Student Services, South Brunswick Township Schools, 4 Executive Dr, PO Box 181, Monmouth Junction, NJ 08852 (USA). This study was conducted in partial fulfillment of the requirements for Ms Kaminker's postprofessional Master of Science degree in pediatric physical therapy at Drexel University, Philadelphia, Pa
2. LA Chiarello, PT, PhD, PCS, is Associate Professor, Hahnemann Programs in Rehabilitation Sciences, Drexel University
3. ME O'Neil, PT, PhD, MPH, is Assistant Professor, Hahnemann Programs in Rehabilitation Sciences, Drexel University
4. CG Dichter, PT, PhD, PCS, was Physical Therapy Consultant, Office of Education, New Jersey Department of Human Services, Trenton, NJ, at the time of the study