1. Texas Tech University Health Sciences Center, Lubbock, TX
2. Center for Rehabilitation Research, School of Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX; University Hospital for Orthopaedics and Trauma Surgery Pius-Hospital, Medical Campus University of Oldenburg, Oldenburg, Germany; Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
3. Texas Tech University Health Sciences Center, Lubbock, TX; Lubbock Christian University, Lubbock, TX