[1] Indiana Univ, Div Nephrol, Dept Med, Indianapolis, IN 46202 USA
[2] Richard L Roudebush VA Med Ctr, Indianapolis, IN 46202 USA
[3] Yale Univ, Sch Med, New Haven, CT USA
[4] CT & VA Connecticut Healthcare Syst, West Haven, CT USA
[5] Univ Estado Rio De Janeiro, Rio De Janeiro, Brazil
[6] Osped Riuniti, Calabria, Italy
[7] Osped Riuniti, CNR IBIM Epidemiol Clin & Fisiopatol Malattie Ren, Calabria, Italy