About the Authors

Stuart G. Nicholls

snicholl@uottawa.ca

Affiliation Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada

Kevin W. Southern

Affiliations Institute of Child Health, Alder Hey Children's Hospital, Liverpool, Merseyside, United Kingdom, Department for Women's and Children's Health, 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: SN. Performed the experiments: SN. Analyzed the data: SN KS. Contributed reagents/materials/analysis tools: SN KS. Wrote the paper: SN KS. Made initial contact with patients through screening laboratory: KS.