1. Centre for Cutaneous Research, Blizard Institute; Centre for Cancer Prevention, Wolfson Institute of Preventive Medicine; and Pathology Group; Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, England, UK
2. Cancer Genomic Laboratory, Edo ed Elvo Tempia Foundation, 13900 Biella, Italy
3. Dermatology Unit, Neurosciences, Mental Health, and Sensory Functions (NESMOS) Department, School of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
4. Division of Cancer Research, Medical Research Institute, College of Medicine, Dentistry, and Nursing, Ninewells Hospital, University of Dundee, Dundee DD1 9SY, Scotland, UK