1. D. Fleming-McDonnell, PT, DPT, is Assistant Professor, Physical Therapy and Orthopaedic Surgery, Program in Physical Therapy, Washington University School of Medicine, Campus Box 8502, 4444 Forest Park Blvd, Suite 1101, St Louis, MO 63108 (USA).
2. S. Czuppon, PT, MS, is Instructor, Physical Therapy and Orthopaedic Surgery, Program in Physical Therapy, Washington University School of Medicine.
3. S.S. Deusinger, PT, PhD, FAPTA, is Professor, Physical Therapy and Neurology, Program in Physical Therapy, Washington University School of Medicine.
4. R.H. Deusinger, PT, PhD, is Associate Professor, Physical Therapy, Medicine, and Orthopaedic Surgery, Program in Physical Therapy, Washington University School of Medicine.