1. Department of Cellular Pathology; Hospital El Bierzo; Ponferrada Spain
2. Department CellCOM-SB Group; Biomedical Investigation Institute of A Coruña; A Coruña Spain
3. Department of Cellular Pathology; Hospital de la Reina; Ponferrada Spain
4. Department of Dermatology; Hospital El Bierzo; Ponferrada Spain