About the Authors

Joanna S. Zeiger

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

joanna@cannaresearchgroup.net

Affiliation Canna Research Group, Boulder, CO, United States of America

William S. Silvers

Roles Conceptualization, Supervision, Writing – review & editing

Affiliations Canna Research Group, Boulder, CO, United States of America, University of Colorado School of Medicine, Aurora, CO, United States of America

Edward M. Fleegler

Roles Conceptualization, Writing – review & editing

Affiliations Canna Research Group, Boulder, CO, United States of America, To-Life in Peace, LLC, Wheat Ridge, CO, United States of America

Robert S. Zeiger

Roles Conceptualization, Methodology, Supervision, Validation, Writing – review & editing

Affiliations Canna Research Group, Boulder, CO, United States of America, Kaiser Permanente Southern California, San Diego, CA, United States of America

Competing Interests

The authors are affiliated with Canna Research Group. This does not alter our adherence to PLOS ONE policies on sharing data and materials.