About the Authors

Fiona J. McCann

Affiliation Oxford Centre for Respiratory Medicine and University of Oxford, Oxford, United Kingdom

Stephen J. Chapman

Affiliation Oxford Centre for Respiratory Medicine and University of Oxford, Oxford, United Kingdom

Wai Cho Yu

Affiliation Department of Medicine, Princess Margaret Hospital, Hong Kong, Special Administrative Region, People's Republic of China

Nick A. Maskell

Affiliation North Bristol Lung Centre, Southmead Hospital, Bristol, United Kingdom

Robert J. O. Davies

Contributed equally to this work with: Robert J. O. Davies, Y. C. Gary Lee

† Deceased.

Affiliation Oxford Centre for Respiratory Medicine and University of Oxford, Oxford, United Kingdom

Y. C. Gary Lee

Contributed equally to this work with: Robert J. O. Davies, Y. C. Gary Lee

gary.lee@uwa.edu.au

Affiliations Oxford Centre for Respiratory Medicine and University of Oxford, Oxford, United Kingdom, Centre for Asthma, Allergy and Respiratory Research, School of Medicine and Pharmacology, University of Western Australia, Perth, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RJOD FJM. Performed the experiments: YCGL FJM SJC WCY NAM RJOD. Analyzed the data: YCGL RJOD FJM. Contributed reagents/materials/analysis tools: RJOD WCY NAM. Wrote the paper: FJM RJOD YCGL.