1 Dermatology Division - IRCCS Policlinico di Sant'Orsola, Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), Alma Mater Studiorum, University of Bologna, Italy.
2 Pediatric Unit, Department of Woman, Child and Urologic Diseases, S. Orsola-Malpighi Hospital Scientific Institute for Research and Healthcare (IRCCS), Bologna, Italy.
3 Department of Maternal, Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy.
4 Pediatric Emergency Unit, Department of Medical and Surgical Sciences (DIMEC), St. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy.
5 UOC Pediatria, Maggiore Hospital, AUSL di Bologna, Bologna, Italy.
6 Operative Unit of Microbiology and Virology, Department of Specialized, Experimental, and Diagnostic Medicine, Polyclinic of St Orsola-Malpighi, University of Bologna, Bologna, Italy.