Funatsu, Atsushi
Kobayashi, Tomoko
Mizobuchi, Masahiro
Nakamura, Shigeru
Article History
Received: 29 October 2018
Accepted: 12 January 2019
First Online: 16 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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. The study protocol was reviewed and approved by the institutional review boards and ethics committee of our hospital.