1. Mississauga Academy of Medicine, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
2. Sunnybrook Health Sciences Centre, Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
3. The Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, Israel
4. Department of Dermatology, Emek Medical Centre, Afula, Israel