Ohta, Hidenobu
Oishi, Yoshihisa
Hirose, Takako
Nakaya, Sachiko
Tsuchiya, Keiji
Nakagawa, Machiko
Gima, Hirotaka
Kusakawa, Isao
Yoda, Hitoshi
Sato, Toshihiro
Sasaki, Toru
Nishida, Hiroshi
Obonai, Toshimasa
Article History
Received: 1 August 2018
Accepted: 22 June 2020
First Online: 20 July 2020
Competing interests
: The authors declare no competing interests.