About the Authors

Eugene Oteng-Ntim

Eugene.Oteng-Ntim@gstt.nhs.uk

Affiliations Department of Women’s Health, Guy’s and St Thomas’ National Health Service (NHS) Foundation Trust (King’s Health Partners), St Thomas’ Hospital, London, United Kingdom, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Julia Kopeika

Affiliation Department of Women’s Health, Guy’s and St Thomas’ National Health Service (NHS) Foundation Trust (King’s Health Partners), St Thomas’ Hospital, London, United Kingdom

Paul Seed

Affiliation Department of Women’s Health, Guy’s and St Thomas’ National Health Service (NHS) Foundation Trust (King’s Health Partners), St Thomas’ Hospital, London, United Kingdom

Symon Wandiembe

Affiliation Department of Women’s Health, Guy’s and St Thomas’ National Health Service (NHS) Foundation Trust (King’s Health Partners), St Thomas’ Hospital, London, United Kingdom

Pat Doyle

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interest exists.

Author Contributions

Conceived and designed the experiments: EO-N JK PD. Performed the experiments: EO-N JK PD. Analyzed the data: EO-N PS SW PD. Contributed reagents/materials/analysis tools: EO-N. Wrote the paper: EO-N JK PS SW PD.