About the Authors
- Romulus Breban
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* E-mail: romulus.breban@pasteur.fr
Affiliation Unité d'Epidémiologie des Maladies Emergentes, Institut Pasteur, Paris, France
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Wrote the paper: RB. Designed the research: RB. Performed the analytical and the numerical analyses: RB.