1. Unit of Dermatology, Department of Medical and Surgical Sciences University of Foggia Foggia Italy
2. Department of Medicine and Surgery University of Milano‐Bicocca Monza Italy
3. Cerba HealthCare Italia Milano Italy
4. C.U.R.E. (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences University of Foggia Foggia Italy
5. Section of Dermatology, Policlinic San Martino Hospital Genova Italy