About the Authors

Sunita Janssenswillen

Affiliation Amphibian Evolution Lab, Biology Department, Vrije Universiteit, Brussel, Belgium

Franky Bossuyt

fbossuyt@vub.ac.be

Affiliation Amphibian Evolution Lab, Biology Department, Vrije Universiteit, Brussel, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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