Ishii, Ryo http://orcid.org/0000-0001-5946-8626
Kato, Kengo
Ogawa, Takenori
Sato, Takeshi
Nakanome, Ayako
Ohkoshi, Akira
Kawamoto-Hirano, Ai
Shirakura, Masayuki
Hidaka, Hiroshi
Katori, Yukio
Article History
Received: 21 December 2017
Accepted: 28 March 2018
First Online: 2 April 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.