Nara, Katsuhiko
Yamamoto, Takehito
Yamashita, Hiroharu
Yagi, Koichi
Takada, Tappei
Seto, Yasuyuki
Suzuki, Hiroshi
Article History
Received: 27 January 2023
Accepted: 2 October 2023
First Online: 13 October 2023
Declarations
:
: The Institutional Review Board (IRB) of the Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, approved the protocol for this retrospective, observational study (approval number: 2529). The IRB granted an opt-out recruitment approach and waived the need for written informed consent from each patient.All procedures were followed in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: Not applicable.
: The authors declare no competing interests.