1 Department of Dermatology, Hospital Clinic, 08036, Barcelona, Spain.
2 Department of Dermatology, Hospital Clinico U. Chile, University of Chile, 8380456, Santiago, Chile.
3 Department of Imaging and Department of Dermatology, Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues, Faculty of Medicine, University of Chile, 7591018, Santiago, Chile.