Itou, Junya
Kuwashima, Umito
Itoh, Masafumi
Okazaki, Ken
Article History
Received: 26 July 2021
Accepted: 9 September 2021
First Online: 23 September 2021
Declarations
:
: This study was approved by the institutional ethics committee of Tokyo Women’s Medical University (Approval No. 4952). Informed consent was obtained via the opt-out method. All procedures involving human participants were in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments.
: Not applicable.
: The authors declare no conflicts of interest.