Kobayashi, Hiroki https://orcid.org/0000-0001-7892-4674
Abe, Yoshiaki
Miura, Daisuke
Narita, Kentaro
Kitadate, Akihiro
Takeuchi, Masami
Matsue, Kosei
Article History
Received: 23 October 2018
Revised: 26 December 2018
Accepted: 26 December 2018
First Online: 3 January 2019
Compliance with ethical standards
:
: The authors declare no competing financial interests.
: All procedures involving human participants in this study were in accordance with the ethical standards of the institutional and national research committee as well as the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.