Sugawara, Yu
Ueda, Tomoya
Soeda, Tsunenari
Watanabe, Makoto
Okura, Hiroyuki
Saito, Yoshihiko
Article History
Received: 29 March 2018
Accepted: 14 October 2018
First Online: 19 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study 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. For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.