1. Institute of Health Sciences, McGill University, Montreal, Canada;
2. Department of Medicine, McGill University, Montreal, Canada;
3. Department of Pediatrics, McGill University, Montreal, Canada;
4. Division of Pediatric Emergency Medicine, Montreal Children’s Hospital, McGill University Health Centre, Montreal, Canada;
5. Institute of Health and Society and Academic Centre for General Practice, Faculty of Medicine, Université Catholique de Louvain, Ottignies-Louvain-la-Neuve, Belgique