Costantini Lorrie, D'Ilario Judy, Moddemann Diane, Penner Karen, Schmidt Barbara
Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada.
Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada.
JAMA Pediatr. 2015 Feb;169(2):188-9. doi: 10.1001/jamapediatrics.2014.2965.