Yabe, Kiyoaki http://orcid.org/0000-0002-7405-8331
Matsuoka, Aki
Nakata, Chikako
Hasegawa, Atsuko
Nakazawa, Tadao
Horiuchi, Akira
Kouchi, Katsunori
Article History
Received: 9 November 2022
Accepted: 14 December 2022
First Online: 16 January 2023
Declarations
:
: Kiyoaki Yabe, Aki Matsuoka, Chikako Nakata, Atsuko Hasegawa, Tadao Nakazawa, Akira Horiuchi, and Katsunori Kouchi declare no conflicts of interest.
: All procedures in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the Declaration of Helsinki of 1964 (revised in 2013). This retrospective study was approved by the Ethics Committee of Tokyo Women’s Medical University. The requirement for obtaining written informed consent was waived because of the retrospective nature of the study.