1. DANAK. DANAK - Danmarks Akkrediteringsinstitution. Available from: https://danak.dk/. Accessed January 26, 2023.
2. Andersen C CopLab - the Copenhagen primary care laboratory database. Available from: https://ifsv.ku.dk/forskning/databaser-til-raadighed-for-samarbejder/coplab/. Accessed October 06, 2023.
3. The Copenhagen Primary Care Differential Count (CopDiff) database
4. The Danish Civil Registration System
5. Danish registers on personal income and transfer payments