Tamiya, Motohiro
Suzuki, Hidekazu
Shiroyama, Takayuki
Tanaka, Ayako
Morishita, Naoko
Okamoto, Norio
Sakai, Kenichi
Shigeoka, Hironori
Kawahara, Kunimitsu
Hirashima, Tomonori
Article History
Received: 21 February 2018
Accepted: 27 February 2018
First Online: 14 March 2018
Compliance with ethical standards
:
: The authors declare 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.
: Informed consent was obtained from all individual participants included in the study.