title: Reply.
authors.affiliation: Department of Pediatric Allergy, Division of Asthma, Allergy and Lung Biology, King's College London, London, United Kingdom; Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom.
authors.forename: Mary
authors.initials: M
authors.lastname: Feeney
authors.affiliation: Department of Pediatric Allergy, Division of Asthma, Allergy and Lung Biology, King's College London, London, United Kingdom; Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom.
authors.forename: George
authors.initials: G
authors.lastname: Du Toit
authors.affiliation: Department of Pediatric Allergy, Division of Asthma, Allergy and Lung Biology, King's College London, London, United Kingdom; Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom. Electronic address: gideon.lack@kcl.ac.uk.
authors.forename: Gideon
authors.initials: G
authors.lastname: Lack
mesh_terms: D002657:Child Development; D005502:Food; D005512:Food Hypersensitivity / Q000517:prevention & control*; D006801:Humans; D007223:Infant