Ozanimod for moderate-to-severe Ulcerative Colitis (UC): efficacy, safety, and histology results from the induction and maintenance periods of the Phase 3 TRUE NORTH Study - Siegmund, B; Sandborn, W; D’Haens, G; Wolf, D; Hanauer, S; Jovanovic, I; Ghosh, S; Petersen, AK; Charles, L; Chitkara, D; Feagan, B; Danese, S (Zeitschrift für Gastroenterologie, 2021)