1. Centre for Nursing, The Hospital for Sick Children (SickKids), Toronto, Ontario, Canada
2. Research Institute, The Hospital for Sick Children (SickKids), Toronto, Ontario, Canada
3. Lawrence S Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
4. Department of Anesthesia, The Hospital for Sick Children (SickKids), Toronto, Ontario, Canada
5. Departments of Psychology, Pediatrics and Psychiatry, Dalhousie University and IWK Health Centre, Halifax, Nova Scotia, Canada
6. Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada