Dr. Rashid: Research Scientist, Department of Paediatrics, University of Alberta, Edmonton, Alberta, Canada. Ms. Nguyen: Teaching Assistant, Department of Paediatrics, University of Alberta, Edmonton, Alberta, Canada. Dr. Foulds: Assistant Professor, Department of Paediatrics, University of Alberta, Edmonton, Alberta, Canada. Dr. Forgie: Chair, Department of Paediatrics, University of Alberta, Edmonton, Alberta, Canada.

Correspondence: Sarah E. Forgie, MD, Department of Paediatrics, Faculty of Medicine and Dentistry, University of Alberta, 3-470 Edmonton Clinic Health Academy, 11405-87 Avenue NW, Edmonton, AB, Canada T6G 1C9; e-mail: [email protected].

Supported by the Faculty of Medicine and Dentistry, University of Alberta Research Support (Grant No. RES-51467).

Disclosures: The authors declare no conflict of interest.

M. Rashid and J. Nguyen contributed equally to this work.

This study was approved by University of Alberta's Institutional Review Board (Pro00102764).