Takahashi, Keitaro http://orcid.org/0000-0003-4188-0246
Sasaki, Takahiro
Ueno, Nobuhiro
Uehara, Kyoko
Kobayashi, Yu
Sugiyama, Yuya
Murakami, Yuki
Kunogi, Takehito
Ando, Katsuyoshi
Kashima, Shin
Moriichi, Kentaro
Tanabe, Hiroki
Okumura, Toshikatsu
Fujiya, Mikihiro
Article History
Received: 4 October 2021
Accepted: 21 February 2022
First Online: 7 March 2022
Declarations
:
: Mikihiro Fujiya received lecture fees from Olympus Corporation and Fujifilm Corporation. Keitaro Takahashi, Takahiro Sasaki, Nobuhiro Ueno, Kyoko Uehara, Yu Kobayashi, Yuya Sugiyama, Yuki Murakami, Takehito Kunogi, Katsuyoshi Ando, Shin Kashima, Kentaro Moriichi, Hiroki Tanabe, and Toshikatsu Okumura have no conflicts of interest or financial ties to disclose.<b>Ethical approval and consent to participate</b>The study was reviewed and approved by the Institutional Review Boards of Asahikawa Medical University. We used the patient opt-out consent method for participation in this study. We retrospectively reviewed anonymized clinical data after each patient received standard management. Individuals cannot be identified based on the data presented.
: Not applicable.