Kumakura, Yasutomo http://orcid.org/0000-0003-4494-9480
Ishiyama, Tadahiko
Matsuoka, Toru
Iijima, Tetsuya
Matsukawa, Takashi
Article History
Received: 16 January 2020
Accepted: 12 June 2020
First Online: 18 June 2020
Compliance with ethical standards
:
: All authors have no conflict of interest.