About the Authors
Department of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
Department of Medical Microbiology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom
The authors have declared that no competing interests exist.
LCO conceived the study, carried out the analysis and drafted the paper; CJD, TB and CJMW contributed substantially to the design and interpretation and revised the manuscript critically; ACG was involved closely in all stages of the conception, design, and analysis for the study, and editing of the manuscript.