Akaishi, Tetsuya
Takahashi, Toshiyuki
Misu, Tatsuro
Abe, Michiaki
Ishii, Tadashi
Fujimori, Juichi
Aoki, Masashi
Fujihara, Kazuo
Nakashima, Ichiro
Article History
Received: 18 May 2020
Accepted: 24 July 2020
First Online: 17 August 2020
Competing interests
: The authors declare no competing interests.