title: Letter to the editor: authors' response.
authors: Department of Psychology & Pediatrics, University of Miami, Coral Gables, Florida, USA.
authors: Alexandra L
authors: AL
authors: Quittner
authors: Department of Psychiatry and Human Behavior, Brown University, Providence, Rhode Island, USA.
authors: Dave
authors: D
authors: Barker
authors: Department of Child and Adolescent Psychiatry/Psychotherapy, University Hospital Ulm, Ulm, Germany.
authors: Lutz
authors: L
authors: Goldbeck
authors: The Regional Paediatric CF Unit, Leeds Teaching Hospitals NHS Trust, Leeds , UK.
authors: Alistair
authors: A
authors: Duff
authors: School of Psychology, University of Central Lancashire, Preston, UK.
authors: Janice
authors: J
authors: Abbott
mesh_terms: D001007:Anxiety / Q000453:epidemiology*; D017028:Caregivers / Q000523:psychology*; D003550:Cystic Fibrosis / Q000523:psychology*; D003863:Depression / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents / Q000523:psychology*
keywords: Cystic Fibrosis