1. Dermatology Department; Melanoma Unit; Hospital Clínic de Barcelona; IDIBAPS; Barcelona Spain
2. Dermatology Department; Hospital Universitari Germans Trias i Pujol; Barcelona Spain
3. Dermatology Department; Hospital Sant Joan de Déu; Barcelona Spain
4. Pathology Department; Melanoma Unit; IDIBAPS; Barcelona Spain
5. Universitat de Barcelona; Barcelona Spain
6. Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER); Barcelona Spain