About the Authors

Matthias Nemeth

matthias.nemeth@univie.ac.at

Affiliation Department of Behavioural Biology, Faculty of Life Sciences, University of Vienna, Vienna, Austria

Eva Millesi

Affiliation Department of Behavioural Biology, Faculty of Life Sciences, University of Vienna, Vienna, Austria

Karl-Heinz Wagner

Affiliation Department of Nutritional Sciences, Faculty of Life Sciences, University of Vienna, Vienna, Austria

Bernard Wallner

Affiliations Department of Behavioural Biology, Faculty of Life Sciences, University of Vienna, Vienna, Austria, Department of Anthropology, Faculty of Life Sciences, University of Vienna, Vienna, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MN BW. Performed the experiments: MN. Analyzed the data: MN EM KHW BW. Contributed reagents/materials/analysis tools: EM KHW BW. Wrote the paper: MN EM KHW BW.