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Authors
Hotta, Masashi https://orcid.org/0000-0002-0867-8962
Hirata, Katsuya
Nozaki, Masatoshi
Mochizuki, Narutaka
Hirano, Shinya
Wada, Kazuko
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Article History
Received: 2 February 2020
Revised: 28 April 2020
Accepted: 6 May 2020
First Online: 26 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of Osaka Women’s and Children’s Hospital.
: The need for informed consent was waived because of the retrospective nature of the study.
