Corrigendum to: Randomized, Ascending Dose, Phase 2 Study of KHK4083, an Anti-OX40 Monoclonal Antibody, in Moderately Active Ulcerative Colitis. Issue 4 (17th December 2020) - Kierkus, Jaroslaw; Pesegova, Marina; Klopocka, Maria; Brankovic, Marija; Kasai, Noriyuki; Efuni, Sergey; Kong, Jennifer; Nakajima, Yu; Jordan, Christina; Matsui, Takeshi; Feagan, Brian G; Strout, Vincent