title: Reply to letter to the editor.
authors.affiliation: Hannover Medical School, Pediatric Surgery, Carl-Neuberg-Strasse 1, OE6760, 30625 Hannover, Germany. Electronic address: lacher.martin@mh-hannover.de.
authors.forename: Martin
authors.initials: M
authors.lastname: Lacher
mesh_terms: D001657:Biliary Dyskinesia / Q000601:surgery*; D017081:Cholecystectomy, Laparoscopic / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male