title: Response.
authors.affiliation: Queensland Children's Medical Research Institute, Brisbane, QLD, Australia; Murdoch Childrens Research Institute and The Royal Children's Hospital, Melbourne, VIC. Electronic address: danielle.wurzel@rch.org.au.
authors.forename: Danielle F
authors.initials: DF
authors.lastname: Wurzel
authors.affiliation: Queensland Children's Medical Research Institute, Brisbane, QLD, Australia; Queensland Children's Health Service, Brisbane, QLD, Australia.
authors.forename: Julie M
authors.initials: JM
authors.lastname: Marchant
authors.affiliation: Queensland Lung Transplant Service, Prince Charles Hospital, Brisbane, QLD, Australia; School of Medicine, The University of Queensland; School of Medicine, Griffith University, Gold Coast, QLD, Australia.
authors.forename: Stephanie T
authors.initials: ST
authors.lastname: Yerkovich
authors.affiliation: School of Medicine, The University of Queensland; School of Medicine, Griffith University, Gold Coast, QLD, Australia.
authors.forename: John W
authors.initials: JW
authors.lastname: Upham
authors.affiliation: Queensland Children's Medical Research Institute, Brisbane, QLD, Australia; Queensland Children's Health Service, Brisbane, QLD, Australia; Child Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia.
authors.forename: Anne B
authors.initials: AB
authors.lastname: Chang
mesh_terms: D001987:Bronchiectasis; D001991:Bronchitis; D002648:Child; D006801:Humans; D012307:Risk Factors