1. Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
2. Division of Dermatology, Faculty of Medicine, University of Toronto, ON, Canada
3. Division of Paediatric Medicine, Section of Dermatology, The Hospital for Sick Children, Toronto, ON, Canada
4. Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
5. Department of Pediatrics, University of British Columbia, Vancouver, Canada
6. Division of Dermatology, Department of Paediatrics, Sainte-Justine University Hospital Center, University of Montreal, QC, Canada
7. Division of Dermatology, Department of Medicine, University of Calgary, AB, Canada
8. Division of Community Pediatrics, Department of Pediatrics, University of Calgary, AB, Canada
9. Division of Pediatric Rheumatology, Department of Pediatrics, University of Calgary, AB, Canada
10. Dermatology Research Institute, Calgary, AB, Canada
11. Division of Dermatology and Rheumatology, Children's Hospital of Eastern Ontario, Ottawa, Canada
12. Department of Pediatrics, University of Ottawa, ON, Canada
13. Division of Dermatology, Department of Medicine, University of Ottawa, ON, Canada
14. Department of Pediatrics, Faculty of Medicine, University of Toronto, ON, Canada