1. Division of Dermatology and Cutaneous Sciences, Department of Medicine, University of Alberta, Edmonton, Canada
2. Division of Dermatology, University of Calgary, Alberta, Canada
3. Department of Dermatology, Beacon Dermatology, Calgary, Alberta, Canada
4. Division of Medical Oncology, Department of Oncology, University of Alberta, Edmonton, Canada
5. Alberta Health and Wellness, Community and Population Health Division, Surveillance and Assessment, University of Alberta, Edmonton, Alberta, Canada