Severity of bronchopulmonary dysplasia using a Canadian definition and early childhood outcomes: A population-based cohort study

Amit Mukerji, McMaster University, Hamilton, ON, Canada; Brooke Read, London Health Sciences Centre, London, ON, Canada; Caio Barbosa De Oliveira, The Moncton Hospital, Moncton, NB, Canada; Deepak Louis, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada; Hala Makary, Dr Everett Chalmers Hospital, Fredericton, NB, Canada; Jill G. Zwicker, University of British Columbia, Vancouver, BC, Canada; Karen Thomas, McMaster University, Hamilton, ON, Canada; Michael Dunn, University of Toronto Temerty Faculty of Medicine, Toronto, ON, Canada; Prakesh S. Shah, Mount Sinai Hospital, Toronto, ON, Canada