Yoshizawa, Tomohiro
Okamoto, Yoshikazu
Tanaka, Kenta
Makihara, Takeshi
Tonoe, Tomoko
Minami, Manabu
Yamazaki, Masashi
Article History
Received: 30 August 2017
Revised: 12 February 2018
Accepted: 19 February 2018
First Online: 9 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Informed consent was obtained from all individual participants included in the 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 Helsinki Declaration and its later amendments or comparable ethical standards.