requested Pediatric Heart Network Z-scores

UMC Utrecht would like to use the Z-scores from Pediatric Heart Network

Right now only Boston and Detroit Z-Scores are offered. Therefor we see a real need to request to have and to be able to offer these Pediatric Heart Network Z-scores. UMC utrecht is a world known Pediatric Heart Hospital, working closely iwth the other 5 or 6 UMC hospitals in the Netherlands