Ana G. Lopes, Department of Dermatology and Venereology, Hospital de Braga, Braga, Portugal Teresa Pereira, Department of Dermatology and Venereology, Hospital de Braga, Braga, Portugal André Coelho, Department of Pathological Anatomy. Centro Hospitalar Universitário de Santo António, Porto, Portugal Maria J. Guimarães, Department of Dermatology and Venereology, Hospital de Braga, Braga, Portugal Catarina Cerqueira, Department of Dermatology, Hospital de Braga, Braga, Portugal Joana Gomes, Department of Dermatology, Hospital de Braga, Braga, Portugal Celeste Brito, Department of Dermatology and Venereology, Hospital de Braga, Braga, Portugal