1. Mediprobe Research Inc., London, Ontario, Canada
2. Division of Dermatology, Department of Medicine, University of Toronto School of Medicine, Toronto, Ontario, Canada
3. Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Canada
4. Division of Dermatology, Women's College Hospital, Toronto, Canada
5. Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom