About the Authors
- Jing Tang
- Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland
- William P. Hanage, Christophe Fraser
- Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom
- Jukka Corander
- Department of Mathematics, Åbo Akademi University, Åbo, Finland
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JT WPH CF JC. Performed the experiments: JT. Analyzed the data: JT JC. Wrote the paper: JT WPH JC.