Oyama, Takahiro http://orcid.org/0000-0002-1166-3606
Takakura, Jun’ya http://orcid.org/0000-0002-6184-8422
Fujii, Minoru http://orcid.org/0000-0002-6930-5115
Nakajima, Kenichi http://orcid.org/0000-0002-7241-7695
Hijioka, Yasuaki http://orcid.org/0000-0003-2297-3981
Article History
Received: 14 September 2021
Accepted: 28 February 2022
First Online: 7 March 2022
Competing interests
: T.O. is currently working as a full-timer at Mitsubishi Research Institute, Inc., which is associated with research, consulting, and ICT solutions. The other authors declare no conflicts of interest.