1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Toronto Dermatology Centre, Toronto, ON, Canada
3. Women’s College Hospital, University of Toronto, Toronto, ON, Canada
4. Section of Dermatology, Division of Pediatric Medicine, The Hospital for Sick Children, Toronto, ON, Canada
5. Department of Pediatrics, University of Toronto, Toronto, ON, Canada
6. Department of Dermatology and Skin Science, University of British Columbia, Vancouver, BC, Canada