Hayashi, Shotaro https://orcid.org/0000-0001-8703-6740
Yamamoto, Shin-ichi
Nishi, Koji
Asano, Atsushi https://orcid.org/0000-0003-1311-3680
Koizumi, Toshio https://orcid.org/0000-0001-8017-2395
Article History
Received: 20 March 2019
Revised: 16 May 2019
Accepted: 17 May 2019
First Online: 7 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.