Nikai, Haruka
Ishida, Kazuyuki
Umemura, Akira
Baba, Shigeaki
Nitta, Hiroyuki
Sugai, Tamotsu
Sasaki, Akira http://orcid.org/0000-0002-1346-5312
Article History
First Online: 2 March 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in our study involving human participants were in accordance with the ethical standards of the institutional and/or Japanese national research committees and with the 1964 Helsinki Declaration and later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.