1. Faculty of Medicine, Université de Montréal, Montreal, QC H3T 1J4, Canada
2. Division of Dermatology, McGill University Health Centre, Montreal, QC H4A 3J1, Canada
3. Faculty of Medicine, McGill University, Montreal, QC H3G 2M1, Canada
4. Division of Pediatric Dermatology, Sainte-Justine Hospital, Montreal, QC H3T 1C5, Canada
5. Division of Dermatology, Sacre Coeur Hospital, Montreal, QC H4J 1C5, Canada
6. Division of Rheumatology, University of Alberta, Edmonton, AB T6G 2G3, Canada
7. Division of Dermatology, Jewish General Hospital, McGill University, Montreal, QC H3N 1V4, Canada