About the Authors

Jessica Minion

Affiliations Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada, Respiratory Epidemiology and Clinical Research Unit, Montreal, Canada, Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Canada

Madhukar Pai

madhukar.pai@mcgill.ca

Affiliations Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada, Respiratory Epidemiology and Clinical Research Unit, Montreal, Canada

Andrew Ramsay

Affiliation UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases, World Health Organization, Geneva, Switzerland

Dick Menzies

Affiliations Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada, Respiratory Epidemiology and Clinical Research Unit, Montreal, Canada

Christina Greenaway

Affiliation Department of Diagnostic Medicine, Division of Infectious Diseases, SMBD-Jewish General Hospital, McGill University, Montreal, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM CG. Performed the experiments: JM. Analyzed the data: JM MP CG. Contributed reagents/materials/analysis tools: CG. Wrote the paper: JM MP AR DM CG.