Uchida, Kiminori http://orcid.org/0000-0002-3343-8004
Mita, Kazuki http://orcid.org/0000-0001-9508-1621
Higaki, Yuji http://orcid.org/0000-0002-1032-4661
Kojio, Ken http://orcid.org/0000-0002-6917-7029
Takahara, Atsushi http://orcid.org/0000-0002-0584-1525
Article History
Received: 20 July 2018
Revised: 19 September 2018
Accepted: 20 September 2018
First Online: 29 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.