1. Department of Graduate Studies in Health and Rehabilitation Sciences, Youngstown State University, Youngstown, OH, USA
2. School of Physiotherapy, University of Verona, Verona, Italy
3. Department of Medical Sciences, School of Nursing, University of Udine, Udine, Italy
4. School of Medicine, Tufts University, Boston, MA, USA
5. Department of Orthopaedics, Duke University, Durham, North Carolina, USA
6. Department of Population Health Sciences, Duke University, Durham, North Carolina, USA
7. Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
8. Department of Rehabilitation, Duke University Hospital System, Durham, North Carolina, USA