Takeshi Yamashina, Satoki Shichijo, Yoji Takeuchi, Yuichi Shimodate, Hiroko Nebiki, Takemasa Hayashi, Kingo Hirasawa, Shusei Fukunaga, Yasuaki Nagami, Shinjiro Yamaguchi, Satoshi Asai, Takuji Kawamura, Norimasa Fukata, Tsutomu Nishida, Akira Teramoto, Yuzuru Kinnjo, Kenshi Matsuno, Motohiko Tanaka, Tetsu Kinjo, Yasushi Sano, Taro Iwatsubo, Koji Nagaike, Mio Matsumoto, Noriyuki Hoki, Toshio Shimokawa, Noriya Uedo, Hideki Ishikawa, Kiyohito Tanaka, Masayuki Kitano, DOI:10.1016/j.gie.2021.03.285, Gastrointestinal Endoscopy 93(6):AB117, June 2021.