Makihara, Takeshi
Okamoto, Yoshikazu
Yoshizawa, Tomohiro
Tanaka, Kenta
Ogawa, Takeshi
Minami, Manabu
Yamazaki, Masashi
Article History
Received: 22 January 2019
Revised: 16 April 2019
Accepted: 29 April 2019
First Online: 23 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict 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.