1. Department of Dermatology Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela Spain
2. Department of Dermatology Hospital Universitario Lucus Augusti Lugo Spain
3. Department of Dermatology Hospital da Barbanza Ribeira Spain
4. Department of Pathology Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela Spain