1 Faculty of Medicine and Health Sciences, McGill University, Montréal, Québec, Canada.
2 Division of Dermatology, Department of Medicine, McGill University and the McGill University Health Centre, Montréal, Québec, Canada.
3 Departments of Medicine, Oncology and Human Genetics, McGill University and the McGill University Health Centre, Montréal, Québec, Canada.
4 Division of Dermatology, Department of Medicine, McGill University and the McGill University Health Centre, Montréal, Québec, Canada. Electronic address: elena.netchiporouk@mcgill.ca.