Funding for this research was provided by:
Japan Society for the Promotion of Science (JP16K08898)
Article History
Accepted: 20 May 2019
First Online: 26 June 2019
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.
: All procedures performed in studies involving human participants were in accordance with Ethical Guidelines for Clinical Research of the Japanese Ministry of Health, Labour and Welfare and with the 1964 Helsinki Declaration and its later amendments.