1. Mary Free Bed Rehabilitation Hospital, Kalamazoo, MI, USA
2. Evidence in Motion Pain Science, Story City, IA, USA
3. Department of Rehabilitation and Movement Sciences, University of Vermont, Burlington, VT, USA
4. Physical Therapy, Rockhurst University, Kansas City, MO, USA
5. Physical Therapy, College of Health Sciences, Des Moines University, Des Moines, IA, USA
6. Physical Therapy, Southwest Baptist University, Bolivar, MO, USA