About the Authors

Alice Beardmore-Gray

alice.beardmore-gray@kcl.ac.uk

Affiliation Department of Women and Children’s Health, King’s College London, London, United Kingdom

Andrew Shennan

Affiliation Department of Women and Children’s Health, King’s College London, London, United Kingdom

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: AS is an Academic Editor of PLOS Medicine. There are no other competing interests to declare.