Hagiyama, Naoki http://orcid.org/0000-0003-3167-3112
Hirano, Harutoyo http://orcid.org/0000-0002-0634-1805
Mito, Akihisa
Soh, Zu http://orcid.org/0000-0001-7182-9383
Fujita, Etsunori
Ogura, Yumi
Kaneko, Shigehiko
Nakamura, Ryuji http://orcid.org/0000-0001-8074-4787
Saeki, Noboru http://orcid.org/0000-0002-1967-0878
Kawamoto, Masashi
Yoshizumi, Masao
Tsuji, Toshio http://orcid.org/0000-0002-7689-3963
Article History
Received: 26 July 2019
Accepted: 6 November 2019
First Online: 25 November 2019
Competing interests
: The authors declare no competing interests.