Journal of Crohn’s & colitis Danica Bajic, Adrian Niemann, Anna-Katharina Hillmer, …, Marcel R M van den Brink, Markus Gerhard, Christoph K Stein-Thoeringer DOI: 10.1093/ecco-jcc/jjaa065 PMID: 32227170 PMCID: PMC8921751