1. Department of Pathology; Hospital Universitari General de Catalunya; Universitat Internacional de Catalunya; Sant Cugat del Vallés Spain
2. Department of Pathology; Hospital Universitari Germans Trias i Pujol; Universitat Autònoma de Barcelona; Badalona Spain
3. Division of Oncology and Pathology; Department of Clinical Sciences Lund; Lund University; Lund Sweden
4. Departments of Biomedical Engineering, Pathology, and Dermatology; Oregon Health Sciences University; Portland Oregon
5. Department of Dermatology; Hospital Santa Creu i Sant Pau; Universitat Autònoma de Barcelona; Barcelona Spain
6. Department of Dermatology; Hospital Universitari Germans Trias i Pujol; Universitat Autònoma de Barcelona; Badalona, Barcelona Spain