1. Section of Dermatology and Infectious Diseases, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
2. Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola-Malpighi, Bologna, Italy
3. Dermatology Unit, Department of Surgical, Medical, Dental and Morphological Sciences Related to Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
4. Dermatology Unit, Arcispedale Santa Maria Nuova, Azienda Usl-IRCCS di Reggio Emilia, Reggio Emilia, Italy
5. Dermatology Unit, Infermi Hospital, Rimini, AUSL Romagna, Italy
6. Section of Dermatology, Department of Medicine and Surgery, University of Parma, Parma, Italy
7. Dermatologic Unit, Ospedale “Guglielmo da Saliceto” di Piacenza PC, Italy
8. UOC Dermatology of Ravenna, Lugo and Faenza, Italy
9. Department of Environmental and Prevention Sciences, University of Ferrara, Ferrara, Italy