About the Authors

Christopher J. Stewart

Affiliation Faculty of Health and Life Sciences, University of Northumbria, Newcastle upon Tyne, United Kingdom

Emma C. L. Marrs

Affiliation Department of Microbiology, Freeman Hospital, Newcastle upon Tyne, United Kingdom

Andrew Nelson

Affiliation Faculty of Health and Life Sciences, University of Northumbria, Newcastle upon Tyne, United Kingdom

Clare Lanyon

Affiliation Faculty of Health and Life Sciences, University of Northumbria, Newcastle upon Tyne, United Kingdom

John D. Perry

Affiliation Department of Microbiology, Freeman Hospital, Newcastle upon Tyne, United Kingdom

Nicholas D. Embleton

Affiliation Newcastle Neonatal Service, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom

Stephen P. Cummings

stephen.cummings@unn.ac.uk

Affiliation Department of Microbiology, Freeman Hospital, Newcastle upon Tyne, United Kingdom

Janet E. Berrington

Affiliation Newcastle Neonatal Service, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SPC CJS JEB. Performed the experiments: CJS AN ECLM. Analyzed the data: CJS CL SPC. Contributed reagents/materials/analysis tools: JDP NDE JEB. Wrote the manuscript: CJS SPC JEB NDE JDP.