About the Authors

Mark P. Witton


Affiliation School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, United Kingdom

Michael B. Habib

Affiliation Department of Sciences, Chatham University, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MPW MH. Performed the experiments: MPW MH. Analyzed the data: MPW MH. Contributed reagents/materials/analysis tools: MPW MH. Wrote the paper: MPW MH.