1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
3. Division of Palliative Care, University of Toronto, Toronto, ON, Canada
4. Department of Dermatology, Faculty of Medicine, University of Ottawa and the Ottawa Hospital, Ottawa, ON, Canada
5. Department of Dermatology, Mayo Clinic, Rochester, MN, USA