1 Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, 555 University Ave, #2211, Toronto, ON, M5G 1X8, Canada.
2 Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada.
3 Department of Psychology, Queen's University, Kingston, ON, Canada.
4 Program in Molecular Medicine, SickKids Research Institute, Toronto, ON, Canada.
5 Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, 555 University Ave, #2211, Toronto, ON, M5G 1X8, Canada. [email protected].
6 Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada. [email protected].
7 Program in Child Health Evaluative Sciences, SickKids Research Institute, Toronto, ON, Canada. [email protected].