Shiraishi, Takuya http://orcid.org/0000-0003-3543-1874
Nishizawa, Yuji
Nakajima, Mifumi
Kado, Ryoko
Ikeda, Koji
Tsukada, Yuichiro
Sasaki, Takeshi
Ito, Masaaki
Article History
Received: 4 June 2019
Accepted: 16 August 2019
First Online: 11 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest with regard to this study.
: All procedures involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.