1. K Helgeson, PT, DHSc, is Assistant Professor, Physical and Occupational Therapy Department, Idaho State University, Campus Stop 8045, Pocatello, ID 83209-8045 (USA).
2. AR Smith Jr, PT, EdD, OCS, FAAOMPT, is Chair, Athletic Training and Physical Therapy Department, Brooks College of Health, University of North Florida, Jacksonville, Florida.