Joint Transnational Call 2014 (JTC2014) NTC study Emma, Francesco (Coordinator)Ospedale Pediatrico Bambino Gesù Pediatric Nephrology and Dialysis [ITALY]Goodyear, PaulMcGill University [CANADA]Levtchenko, ElenaKatholieke Universiteit Leuven [BELGIUM]Masereeuw, RosalindeRadboud University Medical Center [NETHERLANDS]