About the Authors
- Nicole Blaser
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* E-mail: nicole.blaser@anatom.uzh.ch
Affiliation Institute of Anatomy, University of Zurich, Zurich, Switzerland
- Sergei I. Guskov
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Affiliation Ukrainian Geological Institute, Kiev, Ukraine
- Virginia Meskenaite
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Affiliation Institute of Anatomy, University of Zurich, Zurich, Switzerland
- Valerii A. Kanevskyi
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Affiliation High-Technologies Institute, Kiev, Ukraine
- Hans-Peter Lipp
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Affiliation Institute of Anatomy, University of Zurich, Zurich, Switzerland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HPL VK. Performed the experiments: NB. Analyzed the data: NB SG HPL. Wrote the paper: NB HPL. Provided geophysical maps: SG. Training of pigeons and revision of the manuscript: VM.