Takagi, Ryuji http://orcid.org/0000-0003-3837-8159
Funding for this research was provided by:
ODNI | Intelligence Advanced Research Projects Activity
Takenaka Scholarship Foundation is a fellowship foundation that supports Japanese students who pursue graduate degrees abroad.
Article History
Received: 17 May 2019
Accepted: 2 September 2019
First Online: 10 October 2019
Competing Interests
: The author declares no competing interests.