Okamoto, Teppei
Hatakeyama, Shingo
Tanaka, Yoshimi
Imanishi, Kengo
Takashima, Tooru
Saitoh, Fumitada
Koie, Takuya
Suzuki, Tadashi
Ohyama, Chikara
Article History
Received: 20 December 2017
Accepted: 21 March 2018
First Online: 29 March 2018
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee at which the studies were conducted (IRB approval number 2017-089) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The trial is registered in the UMIN Clinical Trials Registry UMIN000028064.
: Informed consent was obtained from all individual participants included in the study.