1. Department of Radiology; Hospital das Clínicas da Faculdade de Medicina de São Paulo; São Paulo Brazil
2. Department of Dermatology; University Hospital La Paz; Madrid Spain
3. Faculty of Medicine; University of the Andes; Santiago Chile
4. Department of Dermatology; University of the Andes and Skinmed Medical Center; Santiago Chile
5. Department of Radiology and Department of Dermatology; Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues; Clinica Servet; Faculty of Medicine; University of Chile; Santiago Chile