1 Dermatology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, Naples, Italy; stefano85med@gmail.com.
2 Dermatology Unit, Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, Naples, Italy.
3 Department of Anesthesiology, Surgery and Emergency, University of Campania Luigi Vanvitelli, Naples, Italy.