Funding for this research was provided by:
Medical Research Council
National Institute for Health Research
Alzheimer's research uk
Received: 26 March 2020
Accepted: 7 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: The AddNeuroMed and Dementia Case Register study was approved by ethical review boards in each participating country (local ethical review board at University of Perugia, University of Toulouse, Aristotle University of Thessaloniki, Medical University of Lodz, University of Eastern Finland and University Hospital of Kuopio and King’s College London).
: Not applicable
: The authors declare that they have no competing interests.