1. Department of Medicine; Jaume I University of Castellon; Castellon Spain
2. Department of Medical Oncology; Biomedical Research Institute - INCLIVA; Valencia Spain
3. Network Centre for Biomedical Cancer Research (CIBERONC); Valencia Spain
4. Department of Dermatology; Ramon y Cajal Hospital; Madrid Spain
5. Department of Dermatology; La Paz Hospital; Madrid Spain