1 Division of Dermatology, Department of Paediatrics (Bourkas, Pope), The Hospital for Sick Children, University of Toronto, Toronto, Ont.; Queen's University School of Medicine (Bourkas), Kingston, Ont.
2 Division of Dermatology, Department of Paediatrics (Bourkas, Pope), The Hospital for Sick Children, University of Toronto, Toronto, Ont.; Queen's University School of Medicine (Bourkas), Kingston, Ont. elena.pope@sickkids.ca.