1. LM Fitzgerald, PT, MEd, PCS, is Assistant Professor and Director of Clinical Education, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, Pa 15261 (USA)
2. A Delitto, PT, PhD, FAPTA, is Professor and Chair, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh
3. JJ Irrgang, PT, PhD, ATC, Associate Professor and Director of Clinical Research, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pa