About the Authors

Claudia C. Dobler

cdobler@med.usyd.edu.au

Affiliations Woolcock Institute of Medical Research and Central Clinical School, University of Sydney, Sydney, Australia, Department of Respiratory Medicine, Liverpool Hospital, University of New South Wales, Sydney, Australia

Queenie Luu

Affiliation Department of Respiratory Medicine, Liverpool Hospital, University of New South Wales, Sydney, Australia

Guy B. Marks

Affiliations Woolcock Institute of Medical Research and Central Clinical School, University of Sydney, Sydney, Australia, Department of Respiratory Medicine, Liverpool Hospital, University of New South Wales, Sydney, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: CCD GBM QL. Wrote the paper: CCD. Study concept and design: CCD GBM. Acquired data: CCD QL. Performed the statistical analysis: CCD. Revised the manuscript for important content: CCD GBM QL. Approved the final manuscript: CCD GBM QL.