1. Institute for Diagnostic Imaging and Research for the Skin and Soft Tissues Santiago Chile
2. Departments of DermatologyUniversity of Chile Santiago Chile
3. Departments of Pathology, Dermopathology SectionUniversity of Chile Santiago Chile
4. Faculty of MedicineUniversity Finis Terrae Santiago Chile
5. Faculty of MedicineUniversity of Chile Santiago Chile
6. Office for Clinical Research Support, Hospital Clínico Universidad de ChileUniversity of Chile Santiago Chile