Juri, Hiroshi http://orcid.org/0000-0002-8976-6007
Koyama, Mitsuhiro
Azuma, Haruhito
Narumi, Yoshifumi
Article History
Received: 3 June 2018
Accepted: 7 August 2018
First Online: 16 August 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. For this type of study, formal consent is not required.