Beneluxhttp://www.hartekinderen/behttp://www.kinderhart.be/https://www.uzleuven.be/nl/kindercardiologie/over-kindercardiologieEuropahttp://www.aepc.orghttp://www.escardio.orgNoord-AmerikaAmerican Heart Association: http://www.heart.org/HEARTORG/ http://www.chop.edu/centers-programs/cardiac-center
