1. Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
2. Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
3. Department of Dermatology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
4. Department of Dermatology, Women’s College Hospital, Toronto, ON, Canada
5. Probity Medical Research, Waterloo, ON, Canada