About the Authors

Elina Hyppönen

e.hypponen@ich.ucl.ac.uk

Affiliation Medical Research Council Centre for Epidemiology of Child Health and Centre for Paediatric Epidemiology and Biostatistics, University College London Institute of Child Health, London, United Kingdom

Diane Berry

Affiliation Medical Research Council Centre for Epidemiology of Child Health and Centre for Paediatric Epidemiology and Biostatistics, University College London Institute of Child Health, London, United Kingdom

Mario Cortina-Borja

Affiliation Medical Research Council Centre for Epidemiology of Child Health and Centre for Paediatric Epidemiology and Biostatistics, University College London Institute of Child Health, London, United Kingdom

Chris Power

Affiliation Medical Research Council Centre for Epidemiology of Child Health and Centre for Paediatric Epidemiology and Biostatistics, University College London Institute of Child Health, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EH MCB CP. Performed the experiments: DJB. Analyzed the data: DJB. Contributed reagents/materials/analysis tools: EH DJB MCB CP. Wrote the paper: EH DJB. Obtained funding: EH. Made figures: DJB.