About the Authors
- Céline H. Frère
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* E-mail: c.frere@uq.edu.au
Affiliation School of Veterinary Sciences, University of Queensland, Brisbane, Australia
- Ewa Krzyszczyk
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Affiliation Departments of Biology and Psychology, Georgetown University, Washington, District of Columbia, United States of America
- Eric M. Patterson
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Affiliation Departments of Biology and Psychology, Georgetown University, Washington, District of Columbia, United States of America
- Sue Hunter
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Affiliation National Aquarium, Baltimore, Maryland, United States of America
- Alison Ginsburg
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Affiliation National Aquarium, Baltimore, Maryland, United States of America
- Janet Mann
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Affiliation Departments of Biology and Psychology, Georgetown University, Washington, District of Columbia, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: CHF EK EMP JM. Performed the experiments: CHF EK EMP SH AG JM. Analyzed the data: CHF. Contributed reagents/materials/analysis tools: CHF SH AG JM. Wrote the paper: CHF EK EMP JM.