About the Authors

Yoon Hong Choi

yoon.choi@hpa.org.uk

Affiliation Health Protection Services Colindale, Health Protection Agency, London, United Kingdom

Mark Jit

Affiliations Health Protection Services Colindale, Health Protection Agency, London, United Kingdom, Centre for the Mathematical Modelling of Infectious Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Stefan Flasche

Affiliations Health Protection Services Colindale, Health Protection Agency, London, United Kingdom, Department of Mathematics and Statistics, University of Strathclyde, Glasgow, United Kingdom

Nigel Gay

Affiliation Fu Consulting, Hungerford, Berkshire, United Kingdom

Elizabeth Miller

Affiliation Health Protection Services Colindale, Health Protection Agency, London, United Kingdom

Competing Interests

Nigel Gay is employed by Fu Consulting. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: YHC. Performed the experiments: YHC. Analyzed the data: YHC MJ SF NG EM. Wrote the paper: YHC MJ SF NG EM.