title: Reply.
authors.affiliation: Paediatric Department, Hospital Lillebaelt, Kolding, Denmark.
authors.forename: Anne Vinkel
authors.initials: AV
authors.lastname: Hansen
authors.affiliation: Queen Mary University, London, United Kingdom.
authors.forename: Joan
authors.initials: J
authors.lastname: Morris
authors.affiliation: Institute of Nursing and Health Research, Ulster University, Newtownabbey, Northern Ireland, United Kingdom.
authors.forename: Helen
authors.initials: H
authors.lastname: Dolk
authors.affiliation: Paediatric Department, Hospital Lillebaelt, Kolding, Denmark. Electronic address: Ester.garne@rsyd.dk.
authors.forename: Ester
authors.initials: E
authors.lastname: Garne