About the Authors

Diego G. Bassani

diego.bassani@sickkids.ca

Affiliation Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada

Daniel J. Corsi

Affiliation Harvard Center for Population and Development Studies, Harvard University, Cambridge, Massachusetts, United States of America

Michelle F. Gaffey

Affiliation Centre for Global Child Health, The Hospital for Sick Children, Toronto, Ontario, Canada

Aluisio J. D. Barros

Affiliation Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: DGB DJC. Wrote the paper: DGB MFG. Developed the research question and study methodology: DGB AJDB.