1. Department of Dermatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
2. Department of Imaging, Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues, Santiago, Chile
3. School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
4. Department of Dermatology, Pontificia Universidad Católica de Chile, Connective Tissue Diseases Unit, Santiago, Chile