title: Author's Response.
authors.affiliation: Department of Pediatrics, Division of Gastroenterology and Hepatology, Seattle Children's Hospital, University of Washington, Seattle.
authors.forename: David L
authors.initials: DL
authors.lastname: Suskind
mesh_terms: D003093:Colitis, Ulcerative / Q000628:therapy*; D006801:Humans; D008297:Male; D064307:Microbiota; D035703:Therapies, Investigational