Oka, Taiki
Kubo, Takatomi http://orcid.org/0000-0003-0192-7177
Kobayashi, Nao
Nakai, Fumiya
Miyake, Yuka
Hamamura, Toshitaka
Honjo, Masaru
Toda, Hiroyuki
Boku, Shuken
Kanazawa, Tetsufumi
Nagamine, Masanori
Cortese, Aurelio http://orcid.org/0000-0003-4567-0924
Takebayashi, Minoru
Kawato, Mitsuo http://orcid.org/0000-0001-8185-1197
Chiba, Toshinori http://orcid.org/0000-0002-2173-4519
Article History
Received: 1 October 2021
Revised: 13 October 2021
Accepted: 19 October 2021
First Online: 11 November 2021
Competing interests
: N.K, T.H., and M.H. are employees of KDDI Research Inc. Y.M. is an employee of KDDI Corporation. N.K., Y.M., T.H., and M.H. were involved in the study design, data acquisition, statistical analysis, and interpretation of the results. For the remaining authors none were declared conflicts of interest.