1 Dermatology Clinic, Department of Medical Sciences and Public Health, University of Cagliari, Via Ospedale 54, 09124, Cagliari, Italy. massimodellantonia@gmail.com.
2 Dermatology Clinic, Department of Medical Sciences and Public Health, University of Cagliari, Via Ospedale 54, 09124, Cagliari, Italy.
3 Pathology Service, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.