1. Department of Medical Sciences Section of Dermatology University of Ferrara Ferrara Italy
2. Dermatology Unit Department of Surgical, Medical, Dental & Morphological Sciences with Interest Transplant, Oncological & Regenerative Medicine University of Modena & Reggio Emilia Modena Italy
3. O.U. of Infectious and Tropical Diseases and of the Migrants University of Ferrara Ferrara Italy
4. O.U. Microbiology Azienda Ospedaliero‐Universitaria di Ferrara Ferrara Italy