1. Department of Epidemiology, Biostatistics and Occupational Health McGill University Montreal Canada
2. Clinical Epidemiology Program Ottawa Hospital Research Institute Ottawa Canada
3. Department of Medicine University of Ottawa Ottawa Canada
4. Division of Pediatric Critical Care Medicine, Department of Pediatrics Université de Montréal Montreal Canada
5. Unité de Recherche Clinique Appliquée Université de Montréal, Centre de Recherche, CHU Sainte‐Justine Montreal Canada
6. Division of Pediatric Infectious Diseases, Department of Pediatrics McGill University Montreal Canada
7. Division of Pediatric Critical Care Medicine, Department of Pediatrics McGill University Montreal Canada