1. Department of Dermatology; Hospital del Mar-Parc de Salut Mar; Barcelona Spain
2. Department of Dermatology; Hospital Universitari General de Catalunya; Sant Cugat del Vàlles, Barcelona Spain
3. Department of Pathology; Hospital Universitari General de Catalunya; Sant Cugat del Vàlles, Barcelona Spain
4. Facultat de Medicina i Ciencies de la Salut; Universitat Internacional de Catalunya; Barcelona Spain
5. Department of Oncology; Hospital Universitari General de Catalunya; Sant Cugat del Vàlles, Barcelona Spain