1 Kidney Transplant Unit, Department of Surgery, IRCCS San Martino University Hospital, IST National Institute for Cancer Research, Largo Rosanna Benzi 10, 16132, Genoa, Italy. gvarotti@hotmail.com.
2 Department of Pathology, IRCCS San Martino University Hospital, IST National Institute for Cancer Research, Genoa, Italy.
3 Kidney Transplant Unit, Department of Surgery, IRCCS San Martino University Hospital, IST National Institute for Cancer Research, Largo Rosanna Benzi 10, 16132, Genoa, Italy.