About the Authors
- Clara Calvert, Carine Ronsmans
- Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CC CR. Performed the experiments: CC. Analyzed the data: CC. Contributed reagents/materials/analysis tools: CC. Wrote the paper: CC CR.