Sugiyama, Takahiro
Furuta, Shunsuke
Hiraguri, Masaki
Ikeda, Kei
Inaba, Yosuke
Kagami, Shin-ichiro
Kita, Yasuhiko
Kobayashi, Kei
Kobayashi, Yoshihisa
Kurasawa, Kazuhiro
Nakagomi, Daiki
Nawata, Yasushi
Kawasaki, Yohei
Shiko, Yuki
Sugiyama, Takao
Nakajima, Hiroshi
Article History
Received: 16 December 2020
Accepted: 17 December 2021
First Online: 3 January 2022
Declarations
:
: This study was approved by the ethics committee of Chiba University School of Medicine (reference number: 3183). The ethics committee waived the requirement for patient’s written informed consent according to the local regulations for a retrospective observational study. All data were fully anonymized before being analyzed. The data were shared in accordance with the plan approved by the ethics committee, and only the data used in this specific study were provided. The study was performed in accordance with the Declaration of Helsinki.
: This was a retrospective observational study, and consent for publication was waived according to the local regulations for a retrospective observational study.
: The authors declare that they have no competing interests.