About the Authors

David Odd

david.odd@nbt.nhs.uk

Affiliation Neonatal Unit, North Bristol NHS Trust, Bristol, United Kingdom

David Evans

Affiliation Neonatal Unit, North Bristol NHS Trust, Bristol, United Kingdom

Alan Emond

Affiliation Centre for Child and Adolescent Health, University of Bristol, Bristol, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DO AM DE. Analyzed the data: DO. Wrote the paper: DO AE DE.