About the Authors

Dag Treer

Contributed equally to this work with: Dag Treer, Ines Van Bocxlaer

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Ines Van Bocxlaer

Contributed equally to this work with: Dag Treer, Ines Van Bocxlaer

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Severine Matthijs

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Dimitri Du Four

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Sunita Janssenswillen

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Bert Willaert

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Franky Bossuyt

fbossuyt@vub.ac.be

Affiliation Amphibian Evolution Lab, Vrije Universiteit Brussel, Brussels, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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