About the Authors
- Mark P. Witton
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, United Kingdom
- Michael B. Habib
- Department of Sciences, Chatham University, Pittsburgh, Pennsylvania, United States of America
The authors have declared that no competing interests exist.
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.