Funding for this research was provided by:
National Institute on Aging (U19AG032438)
Alzheimer's Association (2015-NIRG-339824)
Stiftelsen Olle Engkvist Byggmästare (184-333)
Received: 23 October 2018
Accepted: 28 October 2018
First Online: 26 November 2018
Ethics approval and consent to participate
: Research aims pursued in the longitudinal cohort were approved by the regional ethics committee in Trondheim, Norway (2010/226) and Stockholm, Sweden (2016/771–31/4). The described studies relating to the DIAN cohort wereapproved by the local ethics committee in Stockholm, Sweden (2016/2114–31/4). The studies of both cohorts were carried out in agreement with the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.