[1] Univ Bologna, St Orsola Hosp, Dept Expt Diagnost & Specialty Med DIMES, Nephrol Dialysis & Transplantat Unit, Via G Massarenti 9 Pad 15, I-40138 Bologna, Italy
[2] Univ Bologna, Ctr Appl Biomed Res CRBA, Bologna, Italy
[3] Univ Bologna, Dept Expt Diagnost & Specialty Med DIMES, Histol Sect, Bologna, Italy
[4] Univ Bologna, St Orsola Hosp, Genet Unit, Bologna, Italy