title: Reply.
authors.affiliation: Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada.
authors.forename: Mary-Ellen
authors.initials: ME
authors.lastname: Hogan
authors.affiliation: Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada.|Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada.
authors.forename: Anna
authors.initials: A
authors.lastname: Taddio
authors.affiliation: Department of Psychology, York University, Toronto, ON, Canada.
authors.forename: Joel
authors.initials: J
authors.lastname: Katz
authors.affiliation: Mount Sinai Hospital, Department of Paediatrics and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada.
authors.forename: Vibhuti
authors.initials: V
authors.lastname: Shah
authors.affiliation: Toronto Health Economics and Technology Assessment (THETA) Collaborative, Faculties of Medicine and Pharmacy, University of Toronto, Toronto, ON, Canada.|Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.
authors.forename: Murray
authors.initials: M
authors.lastname: Krahn