Came across an interesting overview of Scandinavian biobanks - collated by EIT Health Scandinavia.
It includes an overview of Biobanks and Health Registers in Denmark, Estonia and Sweden, how to access these data-sets, and information on legal, regulatory, and quality requirements.
https://www.eithealth-scandinavia.eu/hem/biobanks-health-data-information-hub/
https://www.eithealth-scandinavia.eu/biobanksregisters/
https://www.eithealth-scandinavia.eu/biobanksregisters/registers/