Protocol for Japan–acute retinal necrosis (J-ARN) registry: A combined prospective and retrospective cohort study - Yoshihiko Usui; Reiko Kinouchi; Satoko Nakano; Chiharu Iwahashi; Keitaro Hase; Kenji Nagata; Masahiro Sugimoto; Eiichi Hasegawa; Kinya Tsubota; Sentaro Kusuhara; Masato Akiyama; Kenji Kashiwagi; et al. (PLoS ONE, 2025)