Zhao, Yanqing
Matsui, Yusuke http://orcid.org/0000-0001-7548-7886
Hiraki, Takao
Iguchi, Toshihiro
Masaoka, Yoshihisa
Kanazawa, Susumu
Article History
Received: 5 October 2019
Accepted: 12 October 2019
First Online: 29 October 2019
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.
: This study was approved by our institutional review board, and the need for informed consent was waived.