Kobayashi, Harumi
Yasuda, Tetsuya
Igarashi, Hiroshi
Suzuki, Satoshi
Funding for this research was provided by:
JSPS KAKENHI (JP15K06153, JP15K05912)
JSPS KAKENHI (JP26870549, JP16K04318)
MEXT/JSPS KAKENHI (JP17H06382 in #4903 (Evolinguistics))
Article History
Accepted: 26 December 2017
First Online: 13 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.