1. Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues Santiago Chile
2. Department of Dermatology, School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
3. School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
4. Department of Radiology Fernandes Figueira Institute, Niteroi Hospital Rio de Janeiro Brazil
5. Connective Tissue Diseases Unit, Department of Dermatology Pontificia Universidad Católica de Chile Santiago Chile