S. Memory, A. Study-darren, M. Lipnicki, A. Nicole, . Kochan et al., The authors acknowledge the contributions of members of the MAS Team, Wiebke Queisser, and Sam Wong. Funding from a National Health & Medical Research Council of Australia Program Grant

T. Project, Kenichi Meguro (study leader) The author acknowledges the contributions of Mari Kasai

J. Manly and Y. Stern, The authors acknowledge the contributions of Richard Mayeux, Principal Investigator of the WHICAP study, co-investigators Adam Brickman and Jose Luchsinger, and study team members Danurys Sanchez, Ming X. Tang and Howard Andrews. Funding from the National Institute of Health/National Institute on Aging: Grants # R01 AG037212, P01 AG07232. ZARADEMP Project (ZARAgoza DEMentia DEPression Project): Antonio Lobo (study leader), Raúl Lopez-Anton, Javier Santabárbara. The authors acknowledge the further study members Guillermo Marcos Author details 1, Washington Heights Inwood and Columbia Aging Project (WHICAP): Nicole Schupf (study leader) Miguel Angel Quintanilla, and Elena Lobo, and the contributions of the ZARADEMP Workgroup who participated in the study. Funding from the Fondo de Investigación Sanitaria and G03/128) and Pfizer Foundation

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