1. Oncologic Dermatology Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
2. Department of Medical and Surgical Sciences University of Bologna Bologna Italy
3. Ophthalmology Unit S.Orsola‐Malpighi University Hospital, University of Bologna Bologna Italy
4. Pathology Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy