About the Authors

Tony Harper

Roles Conceptualization, Writing – original draft

Affiliation Center for Functional Anatomy and Evolution, Johns Hopkins University, Baltimore, Maryland, United States of America

Guillermo W. Rougier

Roles Supervision, Writing – review & editing

grougier@louisville.edu

Affiliation Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, United States of America

Competing Interests

The authors have declared that no competing interests exist.