1 Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy - ambra.dialtobrando@studio.unibo.it.
2 Division of Dermatology, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy.
3 Unit of Internal Medicine "Borghi, " Sant'Orsola-Malpighi University Hospital, Bologna, Italy.