About the Authors

Beth Buchanan

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

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Qingfang Meng

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

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Mathieu-Marc Poulin

Roles Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – review & editing

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Jonathan Zuccolo

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

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Chike Godwin Azike

Roles Methodology, Writing – review & editing

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Joseph Gabriele

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

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

David Charles Baranowski

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

dbaranowski@delivrainc.com

Affiliation Research and Development, Delivra Corp., Charlottetown, Prince Edward Island, Canada

Competing Interests

The authors are/were employees of Delivra Corp. which has a pending patent on the formulation of topical berberine and dihydroberberine. Patent name: Transdermal Formulations For Delivery Of Berberine Compounds, And Their Use In The Treatment Of Berberine-responsive Diseases And Conditions and number: WO 2017/027971 A1. There are no further patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.