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Authors
Yamamichi, Taku https://orcid.org/0000-0002-9188-3958
Yoshida, Mina
Sakai, Takaaki
Takayama, Keita
Uga, Naoko
Umeda, Satoshi
Maekawa, Shohei
Usui, Noriaki
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Article History
Accepted: 26 November 2021
First Online: 4 January 2022
Declarations
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: The authors have no conflict of interest to declare.
: Approval for this study was obtained from the institutional review board of Osaka Women’s and Children’s Hospital (protocol no. 1244). The procedures used in this study adhered to the tenets of the Declaration of Helsinki.
: The requirement for signed informed consent was waived because of the retrospective study design and the use of de-identified data. Details of the study were published on an institutional website, and individuals had the right to decline participation.
