1. Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
2. School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
3. ICES, University of Ottawa, Ottawa, Canada
4. Children’s Hospital of Eastern Ontario (CHEO) Research Institute, Children’s Hospital of Eastern Ontario (CHEO), Ottawa, Ontario, Canada
5. Maternal, Newborn, and Child Health, Institute for Disease Modeling, Bellevue, Washington, USA
6. Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada