A screening tool to identify risk for bronchiectasis progression in children with cystic fibrosis.

"CONFLICT OF INTERESTS Stephen M. Stick reports grants from the NHMRC and the USCF Foundation during the conduct of this study. Other authors declare that there are no conflict of interests."

"Australian Respiratory Early Surveillance Team Cystic Fibrosis program was supported by the NHMRC Grants APP1000896 and 1020555, as well as Cystic Fibrosis Foundation USA and Australia. Daan Caudri received grant support from the Rothwell Foundation, the Ter Meulen Grant of the Royal Netherlands Academy of Arts and Sciences, and a 2014 Research Fellowship from the Sophia Children's Hospital Fund. None of the funding bodies were in any way involved in the data collection, interpretation of the data, or writing of the manuscript. The full authorship includes the members of AREST CF. The full list of AREST CF members can be found at www.arestcf.org."