Higashiura, Wataru http://orcid.org/0000-0002-4405-3310
Takara, Hiroaki
Kitamura, Ryoichi
Yasutani, Tadashi
Miyasato, Hitoshi
Tengan, Toshiho
Article History
Received: 9 June 2018
Accepted: 18 September 2018
First Online: 4 October 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This study has obtained IRB approval from (indicate the relevant board), and the need for informed consent was waived.