1. DS Schafer, PT, PhD, is Professor and Associate Director, School of Physical Therapy, Texas Woman's University, Dallas, TX 75235 (USA)
2. RB Lopopolo, PT, PhD, MBA, is Professor, Department of Physical Therapy, Arcadia University, Glenside, Pa
3. KA Luedtke-Hoffmann, PT, PhD, MBA, is Assistant Professor, School of Physical Therapy, Texas Woman's University, Dallas, Tex