Murai, Satoshi
Sugiu, Kenji http://orcid.org/0000-0001-9006-999X
Hishikawa, Tomohito
Hiramatsu, Masafumi
Nishihiro, Shingo
Kidani, Naoya
Takahashi, Yu
Nishi, Kazuhiko
Yamaoka, Yoko
Date, Isao
Article History
Received: 10 May 2019
Accepted: 5 December 2019
First Online: 8 January 2020
Compliance with ethical standards.
:
: The authors declare that they have no conflict 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. For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.