1. B.M. McManus, PT, MPH, ScD, Colorado School of Public Health, University of Colorado Denver, Adult and Child Center for Outcomes Research and Delivery Science, Aurora, Colorado.
2. L.A. Prosser, PT, PhD, Division of Rehabilitation Medicine, The Children's Hospital of Philadelphia, Children's Seashore House Room 208, 3405 Civic Center Blvd, Philadelphia, PA 19104 (USA).
3. M.E. Gannotti, PT, PhD, University of Hartford, West Hartford, Connecticut.