1 Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada.
2 Division of Dermatology, Department of Medicine, McGill University and the McGill University Health Centre, Montréal, Quebec, Canada.
3 Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
4 Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
5 Division of Dermatology, Department of Medicine, McGill University and the McGill University Health Centre, Montréal, Quebec, Canada; Faculty of Medicine, McGill University, Montreal, Quebec, Canada. Electronic address: elena.netchiporouk@mcgill.ca.