1. Department of Cellular Pathology; Hospital El Bierzo; Ponferrada Spain
2. Biomedical Investigation Institute of A Coruña, CellCOM-ST Group; A Coruña Spain
3. Department of Cellular Pathology; Hospital de la Reina; Ponferrada Spain
4. Department of Dermatology; Los Angeles Medical Center (LAMC), Southern California Kaiser Permanente; Los Angeles California
5. Department of Pathology; Hospital Universitario 12 de Octubre; Madrid Spain
6. Universidad Complutense, Medical School (UCM), Instituto i + 12; Madrid Spain
7. Department of Histopathology; Hospital Universitario 12 de Octubre; Madrid Spain
8. Hospital Universitari General de Catalunya-Grupo Quirón Salud; Barcelona Spain
9. Biomedical Research Institute INCLIVA; Valencia Spain
10. University of Valencia, Medical School; Valencia Spain
11. Hospital Clinico Universitario de Valencia; Valencia Spain