1. Child Health Evaluative Sciences, SickKids Research Institute, The Hospital for Sick Children, 686 Bay St., Toronto, ON M5G0A4, Canada
2. Toronto Art Therapy Institute, 8 Prince Arthur Ave., M5R 1A9, Toronto, ON M5R 1A9, Canada
3. St. George’s University of London, Cranmer Terrace, London SW17 0RE, UK
4. Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, 170 Elizabeth St., Toronto, ON M5G 1E8, Canada
5. Anesthesiology and Pain Medicine, University of Toronto, 123 Edward St., Toronto, ON M5G 1E2, Canada
6. Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, 155 College St. Rapid Prototype Centre, Toronto, ON M5T 1P8, Canada