title: Reply to Villanacci et al.
authors.forename: Marietta
authors.initials: M
authors.lastname: Iacucci
authors.forename: Xianyong
authors.initials: X
authors.lastname: Gui
authors.forename: Subrata
authors.initials: S
authors.lastname: Ghosh
mesh_terms: D003093:Colitis, Ulcerative / Q000473:pathology*; D003106:Colon / Q000473:pathology*; D003113:Colonoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D008297:Male