About the Authors

Amit Dutt

Affiliation Zoologisches Institut, Universität Zurich, Zurich, Switzerland

Stefano Canevascini

address: Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland

Affiliation Zoologisches Institut, Universität Zurich, Zurich, Switzerland

Erika Froehli-Hoier

Affiliation Zoologisches Institut, Universität Zurich, Zurich, Switzerland

Alex Hajnal

To whom correspondence should be addressed. E-mail: ahajnal@zool.unizh.ch

Affiliation Zoologisches Institut, Universität Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

AD and AH conceived and designed the experiments. AD performed the experiments. AD and AH analyzed the data. SC and EFH contributed reagents/materials/analysis tools. AD and AH wrote the paper.