1. Istituto di Chirurgia e Laserchirurgia in Dermatologia (I.C.L.I.D.) Via della Moscova 42 20121 Milan Italy
2. Department of General Surgery Università Degli Studi di Milano 20157 Milan Italy
3. Dermatology Unit, Department of Surgical, Medical, Dental and Morphological Science with Interest transplant, Oncological and Regenerative Medicine University of Modena and Reggio Emilia via del Pozzo 71 41125 Modena Italy