title: Editorial comment.
authors.affiliation: University Hospital Gasthuisberg, Herestraat 49, Belgium, 3000, Leuven, Belgium. Eur-journal-pediatrics@uz.kuleuven.ac.be.
authors.forename: Willem
authors.initials: W
authors.lastname: Proesmans
mesh_terms: D017522:Bosnia and Herzegovina; D006297:Health Services Accessibility; D006330:Heart Defects, Congenital / Q000453:epidemiology / Q000401:mortality* / Q000601:surgery; D006801:Humans; D007223:Infant; D007231:Infant, Newborn