1 Department of Dermatology, Miguel Servet University Hospital, Spain; IIS Aragón, Aragón, Spain; Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
2 Department of Dermatology, Miguel Servet University Hospital, Spain; IIS Aragón, Aragón, Spain.
3 Department of Dermatology, Miguel Servet University Hospital, Spain; IIS Aragón, Aragón, Spain. Electronic address: 582073@unizar.es.
4 Universidad de Santiago de Compostela, Santiago de Compostela, Spain; Department of Pathology, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, Spain.