Funding for this research was provided by:
“la Caixa” Foundation (N/A)
Agencia Estatal de Investigación (RYC-2013-13054)
NIHR UCLH biomedical research centre (NA)
Alzheimer's Society (NA)
H2020 Marie Skłodowska-Curie Actions (752310)
Received: 18 September 2018
Accepted: 18 December 2018
First Online: 24 January 2019
Ethics approval and consent to participate
: The ALFA study and the MRI substudy protocols have been approved by an independent Ethics Committee Parc de Salut Mar Barcelona and registered at Clinicaltrials.gov (ALFA Identifier: NCT01835717; MRI substudy Identifier: NCT02198586). Both studies have been conducted in accordance with the directives of the Spanish Law 14/2007, of 3 July, on Biomedical Research (Ley 14/2007 de Investigación Biomédica).
: Not applicable.
: The authors declare that they have no competing interests.
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