About the Authors

Sarah Jane Nolan

sjn16@liverpool.ac.uk

Affiliations Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom, Cochrane Cystic Fibrosis and Genetic Disorders Group, Liverpool, United Kingdom

Ian Hambleton

Affiliations Cochrane Cystic Fibrosis and Genetic Disorders Group, Liverpool, United Kingdom, Chronic Disease Research Centre, The University of the West Indies, Barbados, West Indies

Kerry Dwan

Affiliation Cochrane Editorial Unit, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KD. Analyzed the data: SJN KD. Wrote the paper: SJN IH KD.