Yoshida, Naohisa http://orcid.org/0000-0001-6167-9705
Inoue, Ken
Dohi, Osamu
Kobayashi, Reo
Tomita, Yuri
Hashimoto, Hikaru
Sugino, Satoshi
Hirose, Ryohei
Murakami, Takaaki
Inada, Yutaka
Morinaga, Yukiko
Itoh, Yoshito
Article History
Received: 23 November 2021
Accepted: 18 February 2022
First Online: 22 March 2022
Declarations
:
: The endoscopic system and dedicated endoscope were rented from Olympus. All of the authors declare no conflicts of interest in association with the present study. This study was conducted based on the World Medical Association Declaration of Helsinki and approved by the ethics committee of Kyoto Prefectural University of Medicine (ERB-C-1600, approved date: Dec. 23, 2019).