Funding for this research was provided by:
Japan grant (JSPS#25285301)
Text and Data Mining valid from 2019-11-27
Received: 16 May 2019
Accepted: 11 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: This investigation was conducted according to the principles expressed in the Declaration of Helsinki. All experimental protocols were consistent with the Guide for Experimentation with Humans, and were approved by the Institutional Ethics Committee, of the Primate Research Institute, Kyoto University (#2011–150). The authors obtained written informed consent from parents of all participants involved in the study.
: Not applicable.
: The authors declare that they have no competing interests.