1. Division of Dermatology Department of Experimental, Diagnostic and Specialty Medicine University of Bologna Bologna Italy
2. Operative Unit of Microbiology and Virology Department of Specialized, Experimental, and Diagnostic Medicine Polyclinic of St Orsola‐MalpighiUniversity of Bologna Bologna Italy
3. Pediatric Emergency Unit Department of Medical and Surgical Sciences (DIMEC) St. Orsola‐Malpighi HospitalUniversity of Bologna Bologna Italy