1. Department of Dermatology; Faculty of Medicine; Hospital Clinico U. Chile; University of Chile; Santiago Chile
2. Global Health Program; Public Health Faculty; University of Chile; Santiago Chile
3. Department of Coordination of Evidence and Methodology; Ministry of Health; Santiago Chile
4. 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