About the Authors

Alexei Kassian

a.kassian@gmail.com

Affiliations Department of Anatolian and Celtic Languages, Institute of Linguistics of the Russian Academy of Sciences, Moscow, Russia, School for Advanced Studies in the Humanities, Russian Presidential Academy of National Economy and Public Administration, Moscow, Russia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AK. Performed the experiments: AK. Analyzed the data: AK. Wrote the paper: AK.