About the Authors

Dean L. Smith

Contributed equally to this work with: Dean L. Smith, Randal P. Claytor

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

smithDL2@miamioh.edu

Affiliations Department of Kinesiology and Health, Miami University, Oxford, Ohio, United States of America, Essence of Wellness Chiropractic Center, Eaton, Ohio, United States of America

Randal P. Claytor

Contributed equally to this work with: Dean L. Smith, Randal P. Claytor

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Kinesiology and Health, Miami University, Oxford, Ohio, United States of America

Competing Interests

DS is a practicing chiropractor and co-owner of Essence of Wellness Chiropractic Center. This does not alter our adherence to PLOS ONE policies on sharing data and materials.