1. Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, QC, Canada
2. Department of Pediatrics, Division of Infectious Diseases, The Montreal Children's Hospital, McGill University, Montreal, QC, Canada
3. Laboratoire de santé publique du Québec, Institut national de santé publique du Québec, QC, Canada
4. Vaccine Evaluation Center, Child & Family Research Institute, University of British Columbia, BC, Canada
5. Director, Cystic Fibrosis Clinic, University of British Columbia, BC, Canada
6. Department of Pediatrics, Division of Respiratory Medicine, The Montreal Children's Hospital, McGill University, Montreal, QC, Canada
7. Direction des risques biologiques et de la santé au travail, Institut national de santé publique du Québec, QC, Canada
8. McGill University Health Centre, Vaccine Study Centre, Research Institute of the MUHC, Montreal, QC, Canada