1 Department of Dermatology, University Hospital Complex of Ferrol, Spain; University of Santiago de Compostela, Spain. Electronic address: olalla.figueroa@gmail.com.
2 Department of Pathology, Clinical Hospital, Santiago de Compostela, Spain; Department of Forensic Sciences and Pathology, University of Santiago de Compostela, Spain.
3 Rheumatology and Public Health Research Group, Nursing research and health care, Clinical University Hospital A Coruña, SERGAS, A Coruña, Spain.
4 Department of Dermatology, Clinical Hospital, Santiago de Compostela, Spain; Department of Dermatology, University of Santiago de Compostela, Spain.