University of Chile, University of Chile, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Pittsburgh, University of Pittsburgh, University of Pittsburgh, University of Pittsburgh, University of Edinburgh - Edinburgh Dementia Prevention, University of Chile, University of Chile, Universidad Mayor, University of Chile, University of Chile, University of East Anglia, University of East Anglia (UEA) - Norwich Medical School and University of Chile