Published on in Vol 10, No 11 (2021): November
1 Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada
2 School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
3 British Columbia Injury Research & Prevention Unit, British Columbia Children’s Hospital Research Institute, Vancouver, BC, Canada
4 Human Early Learning Partnership, University of British Columbia, Vancouver, BC, Canada
5 Faculty of Education, University of British Columbia, Vancouver, BC, Canada
6 Child Care Services, University of British Columbia, Vancouver, BC, Canada
7 Statistical Consultant, North Vancouver, BC, Canada
*these authors contributed equally