Ozawa, Masanao http://orcid.org/0000-0002-9245-8187
Funding for this research was provided by:
Japan Society for the Promotion of Science (17K19970, 26247016)
IRI-NU collaboration, funding based on a research collaboration contract between the Internet Research Institute, Inc. and Nagoya University.
Article History
Received: 8 May 2018
Accepted: 7 November 2018
First Online: 15 January 2019
Competing interests
: The author declares no competing interests.