Bronchiolitis Hospital Costs, Hospital days, and ICU days in Ontario, Canada, from 2004 to 2022: A Population-based Cohort Study

David D'Arienzo, Montreal Children's Hospital, Montreal, PQ, Canada; Peter Gill, The Hospital for Sick Children, Toronto, ON, Canada; Teresa To, The Hospital for Sick Children, Toronto, ON, Canada; Cornelia M.. Borkhoff, THE HOSPITAL FOR SICK CHILDREN, TORONTO, ON, Canada; Patricia M.. Parkin, university, Toronto, ON, Canada; Shan Dhaliwal, The Ottawa Hospital Research Institute/Institute for Clinical Evaluative Sciences, Ottawa, ON, Canada; Meltem Tuna, ICES, Ottawa, ON, Canada; Alastair Fung, The Hospital for Sick Children, Toronto, ON, Canada; Sanjay Mahant, The Hospital for Sick Children, Toronto, ON, Canada