About the Authors
- Karina Karenina
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Contributed equally to this work with: Karina Karenina, Andrey Giljov
Affiliation Department of Vertebrate Zoology, Faculty of Biology and Soil Sciences, Saint-Petersburg State University, St. Petersburg, Russia
- Andrey Giljov
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Contributed equally to this work with: Karina Karenina, Andrey Giljov
Affiliation Department of Vertebrate Zoology, Faculty of Biology and Soil Sciences, Saint-Petersburg State University, St. Petersburg, Russia
- Vladimir Baranov
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Affiliation Laboratory of Marine Mammals, P.P. Shirshov Institute of Oceanology, Moscow, Russia
- Ludmila Osipova
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Affiliation Department of Vertebrate Zoology, Faculty of Biology and Soil Sciences, Saint-Petersburg State University, St. Petersburg, Russia
- Vera Krasnova
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Affiliation Laboratory of Marine Mammals, P.P. Shirshov Institute of Oceanology, Moscow, Russia
- Yegor Malashichev
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* E-mail: malashichev@embryo.pu.ru
Affiliations Department of Vertebrate Zoology, Faculty of Biology and Soil Sciences, Saint-Petersburg State University, St. Petersburg, Russia, Department of Embryology, Faculty of Biology and Soil Sciences, Saint-Petersburg State University, St. Petersburg, Russia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KK AG VB YBM. Performed the experiments: KK AG VB LO VK YBM. Analyzed the data: KK AG VB LO VK YBM. Contributed reagents/materials/analysis tools: KK AG VB LO VK YBM. Wrote the paper: KK AG YBM.