Hosokawa, Takahiro http://orcid.org/0000-0001-9523-4077
Tanami, Yutaka
Sato, Yumiko
Ko, Yoshihiro
Nomura, Koji
Oguma, Eiji
Article History
Received: 7 April 2020
Accepted: 17 May 2020
First Online: 13 June 2020
Compliance with ethical standards
:
: TH, YT, YS, YK, KN, and EO declare that they have no financial or personal relationships that could lead to a conflict of interest.
: This research was performed in accordance with the tenets of the Declaration of Helsinki.
: This retrospective study was approved by the ethics committee of our institution, and informed consent was waived.