1. KW Hayes, PhD, PT, is Assistant Professor of Physical Therapy and Curriculum Coordinator, Programs in Physical Therapy, Northwestern University Medical School, 645 N Michigan Ave, Suite 1100, Chicago, IL 60611 (USA).
2. G Huber, PT, is Instructor in Physical Therapy, Programs in Physical Therapy, Northwestern University Medical School
3. J Rogers, PT, is Assistant Professor in Physical Therapy and Academic Coordinator of Clinical Education, Programs in Physical Therapy, Northwestern University Medical School
4. B Sanders, PT, is Instructor in Physical Therapy, Programs in Physical Therapy, Northwestern University Medical School