1. Dermatopathologist, Department of Histopathology, University Hospital El Bierzo, Ponferrada, Spain;
2. Dermatopathologist, Department of Cellular Pathology, Hospital de la Reina, Ponferrada, Spain; and
3. Dermatopathologist, Research Department, Institute for Biomedical Research of A Coruña (INIBIC), University of A Coruña (UDC), A Coruña, Spain.