Yotsukura, Erisa
Ayaki, Masahiko
Nezu, Naohisa
Torii, Hidemasa
Arai, Hiroyuki
Sakatani, Keiko
Tsubota, Kazuo
Negishi, Kazuno
Article History
Received: 12 December 2019
Accepted: 25 June 2020
First Online: 14 October 2020
Competing interests
: The authors declare no competing interests.