Kawai, Hisashi http://orcid.org/0000-0003-3015-6041
Kera, Takeshi
Hirayama, Ryo
Hirano, Hirohiko
Fujiwara, Yoshinori
Ihara, Kazushige
Kojima, Motonaga
Obuchi, Shuichi
Funding for this research was provided by:
Japan Society for the Promotion of Science (24700774)
Ministry of Health, Labour and Welfare (H23-Choju-Ippan-001, H23-Choju-Ippan-002)
Article History
Received: 6 March 2017
Accepted: 26 May 2017
First Online: 2 June 2017
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.
: Informed consent was obtained from all individual participants included in the study.