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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Valentin Amrhein conceived and designed the experiments, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Fränzi Korner-Nievergelt conceived and designed the experiments, reviewed drafts of the paper.

Tobias Roth conceived and designed the experiments, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

This is a review without empirical data.


Financial support was provided by the Swiss National Science Foundation (grant no. 156294), the Swiss Association Pro Petite Camargue Alsacienne, the Fondation de bienfaisance Jeanne Lovioz and the MAVA Foundation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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