About the Authors

Stephen D. Walter

walter@mcmaster.ca

Affiliation Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada

Corinne A. Riddell

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

Tatiana Rabachini

Affiliation Ludwig Institute for Cancer Research, Hospital Alemão Oswaldo Cruz,São Paulo, São Paulo, Brazil

Luisa L. Villa

Affiliation Ludwig Institute for Cancer Research, Hospital Alemão Oswaldo Cruz,São Paulo, São Paulo, Brazil

Eduardo L. Franco

Affiliations Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada, Department of Oncology, McGill University, Montreal, Quebec, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ELF LLV. Performed the experiments: TR. Analyzed the data: CAR SDW. Wrote the paper: SDW CAR ELF.