1. From University of Toronto, Toronto, ON; University of Western Ontario, Windsor, ON; Andriessen Consultants Malden and UMC St Radboud Nijmegen, The Netherlands; Toronto Dermatology Center, Toronto, ON; University of British Columbia, Vancouver, BC; Centre Dermatologique du Québec, QC; University of Manitoba, Winnipeg, MB; Department of Medicine, McMaster University, Hamilton, ON; University of Calgary Calgary, AB