About the Authors
- Johan Lind
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* E-mail: johan.lind@zoologi.su.se
Affiliation Centre for the Study of Cultural Evolution & Department of Zoology, Stockholm University, Stockholm, Sweden
- Patrik Lindenfors
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Affiliation Centre for the Study of Cultural Evolution & Department of Zoology, Stockholm University, Stockholm, Sweden
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JL. Analyzed the data: JL PL. Wrote the paper: JL PL.