Yoshiko, Akito http://orcid.org/0000-0001-8929-9202
Katayama, Keisho
Ishida, Koji
Ando, Ryosuke
Koike, Teruhiko
Oshida, Yoshiharu
Akima, Hiroshi http://orcid.org/0000-0002-2048-7210
Article History
Received: 2 April 2019
Accepted: 20 December 2019
First Online: 15 January 2020
Competing interests
: The authors declare no competing interests.