About the Authors
- Caroline Minassian, Sara L. Thomas, Oona Campbell, Liam Smeeth
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
- David J. Williams
- Institute for Women’s Health, University College London Hospital, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LS. Analyzed the data: CM. Wrote the paper: CM. Acquisition of data: LS CM. Interpretation of data: CM LS SLT DJW OC. Critical revision of article for important intellectual content: CM LS SLT DJW OC. Final approval of the version to be published: CM LS SLT DJW OC.