About the Authors

Justin A. Georgi

jgeorgi@midwestern.edu

Affiliation Department of Anatomy, Arizona College of Osteopathic Medicine, Midwestern University, Glendale, Arizona, United States of America

Justin S. Sipla

Affiliation Department of Anatomy and Cell Biology, University of Iowa, Iowa City, Iowa, United States of America

Catherine A. Forster

Affiliation Department of Biological Sciences, The George Washington University, Washington D.C., United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JG JS CF. Performed the experiments: JG JS. Analyzed the data: JG. Contributed reagents/materials/analysis tools: JS CF. Wrote the paper: JG JS CF.