About the Authors
- Rick Bruintjes
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* E-mail: rbruintjes@yahoo.com
Affiliations Department of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Hinterkappelen, Switzerland, School of Biological Sciences, University of Bristol, Bristol, United Kingdom
- Danielle Bonfils
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Affiliation Department of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Hinterkappelen, Switzerland
- Dik Heg
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Affiliations Department of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Hinterkappelen, Switzerland, Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
- Michael Taborsky
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Affiliation Department of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Hinterkappelen, Switzerland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RB DH MT. Performed the experiments: RB. Analyzed the data: RB DH. Contributed reagents/materials/analysis tools: DB. Wrote the paper: RB DH MT. Performed all laboratory work: DB.