Shintaro Maki, Hiroaki Tanaka, Sho Takakura, Masafumi Nii, Kayo Tanaka, Toru Ogura, Mayumi Kotera, Yuki Nishimura, Satoshi Tamaru, Takafumi Ushida, Yasuhiro Tanaka, Norihiko Kikuchi, Tadatsugu Kinjo, Hiroshi Kawamura, Mayumi Takano, Koji Nakamura, Sachie Suga, Michi Kasai, Osamu Yasui, Kenji Nagao, Yuka Maegawa, Tomomi Kotani, Masayuki Endo, Ichiro Yasuhi, Shigeru Aoki, Yoichi Aoki, Yoshio Yoshida, Masahiko Nakata, Akihiko Sekizawa, Tomoaki Ikeda
BMJ Open. 2022; 12(6): e054925. Published online 2022 Jun 14. doi: 10.1136/bmjopen-2021-054925