About the Authors

Satinder Gill

Roles Formal analysis, Software, Validation, Writing – original draft, Writing – review & editing

Affiliation Spinal Cord Injury and Disorders, Hunter Holmes McGuire VA Medical Center, Richmond, VA, United States of America

Ryan M. Sumrell

Roles Formal analysis, Writing – original draft

Affiliation Spinal Cord Injury and Disorders, Hunter Holmes McGuire VA Medical Center, Richmond, VA, United States of America

Adam Sima

Roles Data curation, Formal analysis, Methodology, Software, Writing – review & editing

Affiliation Department of Biostatistics, Virginia Commonwealth University, Richmond, VA, United States of America

David X. Cifu

Roles Supervision, Validation, Writing – review & editing

Affiliation Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, United States of America

Ashraf S. Gorgey

Roles Conceptualization, Funding acquisition, Investigation, Project administration, Supervision, Writing – original draft, Writing – review & editing

ashraf.gorgey@va.gov

Affiliations Spinal Cord Injury and Disorders, Hunter Holmes McGuire VA Medical Center, Richmond, VA, United States of America, Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, United States of America

Competing Interests

Authors Funders Satinder Gill DoD-CDRMP (W81XWH-14-SCIRP-CTA) Ryan M. Sumrell Did not receive salary support or funds Adam Sima DoD-CDRMP (W81XWH-14-SCIRP-CTA) David X. Cifu DoD-CDRMP (W81XWH-14-SCIRP-CTA) Ashraf S. Gorgey DoD-CDRMP (W81XWH-14-SCIRP-CTA)