Yokoyama, Yoichi
Hanai, Ko http://orcid.org/0000-0002-6370-7543
Mori, Tomomi
Yamamoto, Yui
Yoshida, Naoshi
Murata, Hidekazu
Shinozaki, Tomohiro
Babazono, Tetsuya
Article History
Received: 18 October 2022
Accepted: 7 February 2023
First Online: 25 February 2023
Declarations
:
: The authors have nothing to disclose.
: All procedures performed in the present study were in accordance with the ethical standards of the institutional research committee of Tokyo Women’s Medical University School of Medicine (Approval No. 3932) and with the tenets of the Declaration of Helsinki of 1964 and its later versions.
: As the present study was an observational and historical but not a prospective interventional study, the ethics committee waived the need for direct informed consent. Instead, we offered participants the opportunity to opt out to participate.