About the Authors

Sarah Williams

Affiliation Human Development and Health, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, United Kingdom

Andrew Bateman

Affiliation Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom

Ita O'Kelly

I.M.O'Kelly@southampton.ac.uk

Affiliation Human Development and Health, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IO SW AB. Performed the experiments: SW. Analyzed the data: SW IO. Contributed reagents/materials/analysis tools: AB. Wrote the paper: IO SW.