1 Faculty of Medicine, University of Toronto, Ontario, Canada. Electronic address: [email protected].
2 Faculty of Medicine, University of Toronto, Ontario, Canada.
3 Division of Dermatology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Department of Dermatology, Ha'emek Medical Center, Afula, Israel; Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, Israel.