title: Response.
authors.affiliation: Center for Interventional Endoscopy, Orlando, Florida, USA.
authors.forename: Udayakumar
authors.initials: U
authors.lastname: Navaneethan
authors.affiliation: Department of Gastroenterology, Yale University, New Haven, Connecticut, USA.
authors.forename: Basile
authors.initials: B
authors.lastname: Njeim
mesh_terms: D001650:Bile Duct Neoplasms / Q000175:diagnosis*; D001652:Bile Ducts / Q000473:pathology*; D018281:Cholangiocarcinoma / Q000175:diagnosis*; D002779:Cholestasis / Q000175:diagnosis*; D016145:Endoscopy, Digestive System / Q000379:methods*; D006801:Humans