Sakurai, Hirohisa
Tokanai, Fuyuki
Miyake, Fusa http://orcid.org/0000-0001-8002-9601
Horiuchi, Kazuho
Masuda, Kimiaki
Miyahara, Hiroko
Ohyama, Motonari
Sakamoto, Minoru http://orcid.org/0000-0001-5886-7369
Mitsutani, Takumi
Moriya, Toru
Article History
Received: 2 December 2019
Accepted: 18 December 2019
First Online: 20 January 2020
Competing interests
: The authors declare no competing interests.