About the Authors

Alexander Kilpatrick

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

alex@u-aizu.ac.jp

Affiliation Center for Language Research, University of Aizu, Aizuwakamatsu, Japan.

Rikke L. Bundgaard-Nielsen

Roles Conceptualization, Writing – original draft, Writing – review & editing

Affiliation School of Languages and Linguistics, University of Melbourne, Melbourne, Australia.

Competing Interests

The authors have declared that no competing interests exist.