Sakai, Yuki http://orcid.org/0000-0002-0870-0656
Takahashi, Keita
Shimizu, Yoichiro
Ishibashi, Emi
Kato, Toyoyuki
Morishita, Junji
Article History
Received: 8 November 2018
Revised: 7 February 2019
Accepted: 11 February 2019
First Online: 19 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional Review Board (IRB) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The IRB was obtained without patients’ informed consent.