[1] Univ Padua, Dept Med, I-35100 Padua, Italy
[2] Venetian Inst Mol Med, Lab Expt Diabetol, I-35129 Padua, Italy
[3] Univ Bristol, Bristol Royal Infirm, Sch Clin Sci, Regenerat Med Sect,Bristol Heart Inst, Bristol BS2 8HW, Avon, England
[4] Univ Hosp Munster, Dept Cardiol & Angiol, D-48149 Munster, Germany
[5] Childrens Hosp Boston, Div Nephrol, Transplantat Res Ctr, Boston, MA 02115 USA
[6] Ist Sci San Raffaele, Dept Med, I-20132 Milan, Italy