Hatakeyama, Keiichi
Muramatsu, Koji
Nagashima, Takeshi
Kawanishi, Yuichi
Fukumura, Ryutaro
Ohshima, Keiichi
Shimoda, Yuji
Kenmotsu, Hirotsugu
Mochizuki, Tohru
Urakami, Kenichi
Akiyama, Yasuto
Sugino, Takashi
Yamaguchi, Ken
Article History
Received: 31 August 2021
Accepted: 7 February 2022
First Online: 22 February 2022
Competing interests
: The authors declare no competing interests.