1. Section of Dermatology, Rare Diseases Outpatient Clinic, Modena University Hospital, Italy; IRCCS-Arcispedale Santa Maria Nuova, Reggio Emilia, Italy
2. Department of Anatomic Pathology, Modena University Hospital, Italy
3. Department of Pediatric Surgery, Modena University Hospital, Italy
4. Section of Dermatology, Rare Diseases Outpatient Clinic, Modena University Hospital, Italy