A follow‐up questionnaire survey 2022 on radiation protection among 464 medical staff from 34 endoscopy–fluoroscopy departments in Japan oleh Shiro Hayashi, Mamoru Takenaka, Hirofumi Kogure, Takayuki Yakushijin, Yousuke Nakai, Kenji Ikezawa, Shinjiro Yamaguchi, Toshio Fujisawa, Yuzuru Tamaru, Iruru Maetani, Hirotsugu Maruyama, Satoshi Asai, Tadayuki Takagi, Koji Nagaike, Yasuki Hori, Tetsuya Sumiyoshi, Hidetaka Tsumura, Hisashi Doyama, Toshiyuki Yoshio, Kazuo Hara, Seiichiro Abe, Ichiro Oda, Motohiko Kato, Hiroko Nebiki, Tatsuya Mikami, Masanori Miyazaki, Kazuhiro Matsunaga, Makoto Hosono, Tsutomu Nishida, REX‐GI Study Group