1. True Physical Therapy, Lakewood, CO, USA
2. North American Institute of Orthopedic Manual Therapy, Eugene, OR, USA
3. Department of Physical Therapy, Andrews University, Berrien Springs, MI, USA
4. Department of Physical Therapy, A.T. Still University, Mesa, AZ, USA
5. School of Medicine, Physical Therapy Program, University of Colorado, Aurora, CO, USA
6. Physical Therapy Program, Chatham University, Pittsburgh, PA, USA