Ustekinumab in Crohn's disease: Real‐world outcomes from the Sicilian network for inflammatory bowel diseases oleh Anna Viola, Marco Muscianisi, Fabio S Macaluso, Marco Ventimiglia, Maria Cappello, Antonino C Privitera, Antonio Magnano, Dario Pluchino, Giovanni Magrì, Concetta Ferracane, Filippo Mocciaro, Serena Garufi, Enrica Giuffrida, Giuseppe Costantino, Gabriele Fiocco, Mauro Grova, Laura Guida, Angela Alibrandi, Ambrogio Orlando, Walter Fries, the “Sicilian Network for Inflammatory Bowel Disease (SN‐IBD)”