About the Authors

Renee Jensen

Affiliation Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Sanja Stanojevic

Affiliations Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada, Child Health Evaluative Sciences, Research Institute, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Karyn Gibney

Affiliation Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Juliana Giraldo Salazar

Affiliation Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Per Gustafsson

Affiliation Department of Pediatrics, Central Hospital, Skövde, Sweden

Padmaja Subbarao

Affiliation Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Felix Ratjen

felix.ratjen@sickkids.ca

Affiliations Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada, Division of Respiratory Medicine, Department of Pediatrics, the Hospital for Sick Children, University of Toronto, Toronto, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FR SS PG PS. Performed the experiments: RJ KG JS. Analyzed the data: RJ SS KG JS. Contributed reagents/materials/analysis tools: FR. Wrote the paper: RJ SS FR. Designed the software used for data analysis: PG.