1. Department of Dermatology and Skin Science; Photomedicine Institute; University of British Columbia; Vancouver Costal Health; 835 West 10th Avenue Vancouver BC Canada V5Z 4E8
2. Division of Dermatology; Department of Medicine; King Saud Bin Abdulaziz University for Health Sciences; King Fahad National Guard Hospital; King Abdulaziz Medical City; Riyadh Saudi Arabia
3. Department of Pathology and Laboratory Medicine; University of British Columbia and Vancouver General Hospital; Vancouver BC Canada