Hosoda, Kei https://orcid.org/0000-0002-9787-2889
Niihara, Masahiro
Ushiku, Hideki
Harada, Hiroki
Sakuraya, Mikiko
Washio, Marie
Yamashita, Keishi
Hiki, Naoki
Article History
Received: 9 March 2020
Accepted: 25 May 2020
First Online: 3 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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.