Yamagishi, Takayuki
Yamauchi, Shigeru
Suzuki, Kyoko
Suzuki, Tsutomu
Kurimoto, Yasuji
Takayama, Tsutomu
Sakai, Yoichi
Article History
Received: 19 August 2020
Accepted: 25 November 2020
First Online: 4 December 2020
Competing interests
: The authors declare that they have no competing interests.