Yunaiyama, Daisuke http://orcid.org/0000-0001-6576-5029
Okubo, Mitsuru http://orcid.org/0000-0002-5870-9202
Arizono, Eri http://orcid.org/0000-0003-3442-8489
Tsukahara, Kiyoaki http://orcid.org/0000-0002-4198-9615
Tanigawa, Maki http://orcid.org/0000-0002-8512-3258
Nagao, Toshitaka http://orcid.org/0000-0003-2075-9738
Saito, Kazuhiro http://orcid.org/0000-0001-5854-2070
Article History
Received: 18 August 2021
Accepted: 11 October 2021
First Online: 25 October 2021
Declarations
:
: The authors have no conflict of interest.
: This retrospective cohort study was approved by the institutional ethical board (Approval number: SH4112). This clinical investigation was conducted according to the Declaration of Helsinki principles.
: The requirement for written informed consent was waived.
: Not applicable to this study.