Nama Nassr, Barrowman Nick, O'Hearn Katie, Sampson Margaret, Zemek Roger, McNally James Dayre
Faculty of Medicine, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada; Department of Pediatrics, BC Children's Hospital, Vancouver, British Columbia, Canada.
Clinical Research Unit, Department of Pediatrics, CHEO Research Institute, Ottawa, Ontario, Canada.
J Clin Epidemiol. 2020 Jun;122:160-162. doi: 10.1016/j.jclinepi.2020.02.009. Epub 2020 Mar 3.