[1] Unita Operat Terr Nefrol & Dialisis, I-09045 Cagliari, Italy
[2] AO S Croce & Carle, Nephrol & Dialysis Div, Cuneo, Italy
[3] Osped SS Trinita, Nephrol & Dialysis Serv, Cagliari, Italy
[4] Casa Cura Polispecialist Sant Elena, Dialysis Serv, Quartu St Elena, Italy
[5] Osped SS Annunziata, Nephrol & Dialysis Div, Sassari, Italy
[6] Sorgono & Osped S Giuseppe, Osped S Camillo, Nephrol & Dialysis Div, Isili, Italy
[7] Osped San Martino Genova, Nephrol & Dialysis Serv, Oristano, Italy
[8] Osped S Francesco, Nephrol & Dialysis Serv, Nuoro, Italy
[9] Osped Civile, Nephrol & Dialysis Serv, Macomer, Italy
[10] Osped Civile, Nephrol & Dialysis Serv, Lanusei, Italy
[11] Osped Civile, Nephrol & Dialysis Serv, Alghero, Italy
[12] Osped Civile, Nephrol & Dialysis Serv, Tempio Pausania, Italy
[13] Osped NS Bonaria, Nephrol & Dialysis Serv, San Gavino Monreale, Italy
[14] Osped Segni, Nephrol & Dialysis Serv, Ozieri, Italy
[15] Osped Segni, Nephrol & Dialysis Serv, Ozieri, Italy
[16] Osped Merlo, Nephrol & Dialysis Serv, La Maddalena, Italy