1. Dermatology Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
2. Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
3. Department of Biology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
4. Oncologic Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, DIMEC, University of Bologna, 40126 Bologna, Italy