Hirahata, Masahiro
Yasui, Youichi
Fujita, Muneyoshi
Ishii, Keisuke
Kawano, Hirotaka
Kitagawa, Tomoaki
Article History
Received: 28 October 2022
Accepted: 1 February 2023
First Online: 6 February 2023
Declarations
:
: This retrospective study involving human participants was approved with the ethical standards of Teikyo University Ethical Review Board for Medical and Health Research Involving Human Subjects and was performed in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. All subjects had provided written informed consent for their data to be used for research purposes.
: Not applicable.
: The authors declare no competing interests.