1 Department of Pediatric Emergency, IRCCS Azienda Ospedaliero-Universitaria di Bologna, University of Bologna, Bologna, Italy.
2 Dermatology Division, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), IRCCS Azienda Ospedaliero-Universitaria di Bologna, University of Bologna, Bologna, Italy.
3 Specialty School of Pediatrics, Alma Mater Studiorum, University of Bologna, Bologna, Italy.