About the Authors

Matthew P. Davis


Affiliation St. Cloud State University, St. Cloud, MN 56301, United States of America

John S. Sparks

Affiliation American Museum of Natural History, New York, NY 10024, United States of America

W. Leo Smith

Affiliation University of Kansas, Lawrence, KS 66045, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MPD JSS WLS. Performed the experiments: MPD JSS WLS. Analyzed the data: MPD JSS WLS. Contributed reagents/materials/analysis tools: MPD JSS WLS. Wrote the paper: MPD JSS WLS.