About the Authors

Rebeccah Slater

To whom correspondence should be addressed. E-mail: r.slater@ucl.ac.uk

Affiliation Department of Anatomy and Developmental Biology, University College London, London, United Kingdom

Anne Cantarella

Affiliation Neonatal Intensive Care Unit, Elizabeth Garrett Anderson and Obstetric Hospital, London, United Kingdom

Linda Franck

Affiliation Centre for Nursing and Allied Health Professions Research, Institute of Child Health, University College London, London, United Kingdom

Judith Meek

Affiliation Neonatal Intensive Care Unit, Elizabeth Garrett Anderson and Obstetric Hospital, London, United Kingdom

Maria Fitzgerald

Affiliation Department of Anatomy and Developmental Biology, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RS, JM, and MF conceived of and designed the study. RS, AC, and JM were involved in the acquisition of data. RS, AC, LF, JM, and MF analysed the data. RS, JM, and MF interpreted the data. RS, AC, LF, JM, MF revised the manuscript for critically important intellectual content. JM and MF obtained funding.