[1] Fdn IRCCS Policlin San Matteo, Unit Nephrol Dialysis & Transplants, I-27100 Pavia, Italy
[2] Univ Pavia, Dept Internal Med & Therapeut, I-27100 Pavia, Italy
[3] Univ Pavia, Dept Mol Med, Anat Pathol Unit, I-27100 Pavia, Italy
[4] Fdn IRCCS Policlin San Matteo, I-27100 Pavia, Italy
[5] Fdn IRCCS CaGranda Osped Maggiore Policlin, Ctr HUS Prevent Control & Management, I-20162 Milan, Italy