Bona fide (inter)national researchers can request use of the data collected by the NTR. Our research data are pseudonimized, annotated and stored in the NTR Repository. This is a secure database that is only accessible to our data managers. The metadata (i.e. variable names, labels, counts etc.) can be consulted by researchers in the NTR Data Showcase. More information on how to request NTR data can be found here.