About the Authors

Carrol Gamble

c.gamble@liv.ac.uk

Affiliation Clinical Trials Research Centre, University of Liverpool, Liverpool, Merseyside, United Kingdom

Andrew Wolf

Affiliation Paediatric Intensive Care Unit, Bristol Royal Children's Hospital, Bristol, United Kingdom

Ian Sinha

Affiliation Respiratory Unit, Alder Hey Children's NHS Foundation Trust, Liverpool, Merseyside, United Kingdom

Catherine Spowart

Affiliation Clinical Trials Research Centre, University of Liverpool, Liverpool, Merseyside, United Kingdom

Paula Williamson

Affiliation Clinical Trials Research Centre, University of Liverpool, Liverpool, Merseyside, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CG AW IS CS PW. Performed the experiments: CG AW IS CS. Analyzed the data: CG IS CS. Wrote the paper: CG IS CS PW.