title: Reply to letter to the editor.
authors.affiliation: Department of Pediatric Surgery and Pediatric Radiology, The Queen Silvia Children's Hospital, The Sahlgrenska Academy at University of Gothenburg, Sweden. Electronic address: helena.borg@vgregion.se.
authors.forename: Helena
authors.initials: H
authors.lastname: Borg
authors.affiliation: Department of Pediatric Surgery and Pediatric Radiology, The Queen Silvia Children's Hospital, The Sahlgrenska Academy at University of Gothenburg, Sweden.
authors.forename: Ulla
authors.initials: U
authors.lastname: Sillén
authors.affiliation: Department of Pediatric Surgery and Pediatric Radiology, The Queen Silvia Children's Hospital, The Sahlgrenska Academy at University of Gothenburg, Sweden.
authors.forename: Marc
authors.initials: M
authors.lastname: Bachelard
mesh_terms: D001006:Anus, Imperforate / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008531:Megacolon / Q000628:therapy*; D012002:Rectal Diseases / Q000628:therapy*; D012810:Sigmoid Diseases / Q000628:therapy*