About the Authors
Mathematics and Statistics, York University, Toronto, Ontario, Canada
Applied Mathematics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
Ecole Superieure de Technologie, Université Sidi Mohamed Ben Abdellah, Fès, Morocco
Institut National de Santé Publique du Québec, Montréal, Québec, Canada
Centre for Disease Modelling, York Institute for Health Research, York University, Toronto, Ontario, Canada
MS has received research, lecture and travel funds from GlaxoSmithKline. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Conceived and designed the experiments: QW RQ JMH JW MS. Performed the experiments: QW RQ YL JMH. Analyzed the data: QW RQ YL JMH. Contributed reagents/materials/analysis tools: QW RQ TL JMH JW MS. Wrote the paper: QW RQ YL JMH JW MS.