Yanagi, Masaya
Hosomi, Fumiharu
Kawakubo, Yoshihiro
Tsuchiya, Aki
Ozaki, Satoshi
Shirakawa, Osamu
Article History
Received: 6 December 2019
Accepted: 15 May 2020
First Online: 12 June 2020
Competing interests
: The authors declare no competing interests.