About the Authors

Alice Zwerling

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

Marcel A. Behr

Affiliations Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, Canada, Department of Medicine, McGill University Health Centre, Montreal, Canada

Aman Verma

Affiliation Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, Canada

Timothy F. Brewer

Affiliations Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, Canada, Global Health Programs, Faculty of Medicine, McGill University, Montreal, Canada

Dick Menzies

Affiliations Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, Canada, Respiratory Epidemiology & Clinical Research Unit, Montreal Chest Institute, Montreal, Canada, Department of Medicine, McGill University Health Centre, Montreal, Canada

Madhukar Pai

madhukar.pai@mcgill.ca

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

Competing Interests

No financial conflicts. Madhukar Pai serves as an external consultant for the Bill & Melinda Gates Foundation (BMGF). BMGF had no involvement in this manuscript. Madhukar Pai is a member of the PLoS Medicine Editorial Board.

Author Contributions

Wrote the first draft of the paper: AZ MB MP. Contributed to the writing of the paper: AZ MB AV TB DM MP. ICMJE criteria for authorship met: AZ MB AV TB DM MP. Agree with results and conclusions: AZ MB AV TB DM MP. Built and programmed the Web site: AV. Provided supervision: MB DM MP.