Adult congenital heart disease Article 1 Biobank 1 Cohort study 1 External validation 1 NT-proBNP 1 Netherlands 1 New York Heart Association class 1 Prediction model 1 Prognosis 1 adult 1 amino terminal pro brain natriuretic peptide 1 body mass 1 cardiac agent 1 cardiovascular risk 1 cohort analysis 1 confidence interval 1 congenital heart disease 1 controlled study 1 external validity 1 female 1 follow up 1 hazard ratio 1 heart arrhythmia 1 heart failure 1 heart surgery 1 human 1 major clinical study 1 male 1 model 1