1. Department of Cellular Pathology Hospital El Bierzo Ponferrada Spain
2. Department of Cellular Pathology Hospital de la Reina Ponferrada Spain
3. Department of Research, Institute for Biomedical Research of A Coruña (INIBIC) University of A Coruña (UDC) A Coruña Spain
4. Department of Anatomic Pathology Complexo Hospitalario Universitario de Ourense Ourense Spain
5. Department of Dermatology Complexo Hospitalario Universitario de Ourense Ourense Spain