- Correspondence to Dr Sara Testa, Department of Pediatrics, Pediatric Nephrology and Dialysis Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milano, v. Commenda, 9, Milano 20122, Italy;
- Received July 25, 2011
- Accepted June 21, 2012
- First published July 25, 2012.
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