Maita, Hiroki http://orcid.org/0000-0001-9642-9116
Kobayashi, Tadashi http://orcid.org/0000-0002-2001-4464
Akimoto, Takashi
Matsuoka, Fumihiko
Osawa, Hiroshi
Kato, Hiroyuki
Article History
Received: 7 August 2019
Accepted: 28 February 2020
First Online: 23 March 2020
Competing interests
: The authors declare no competing interests.