Funding for this research was provided by:
Japan Society for the Promotion of Science (JSPS) KAKENHI (17K09247)
Article History
Received: 12 March 2019
Accepted: 29 April 2020
First Online: 23 June 2020
Compliance with ethical standards
:
: 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. Formal consent from patients was not required. The Teikyo University Institutional Review Board has approved our study. Anonymity of the data has been strictly maintained by de-identification.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this study. The authors also declare that they have no relevant or material financial interests that relate to the research described in this paper.