Brazilian National Council for Scientific and Technological Development [CNPq] especial visiting researcher [N◦03/2014, # 400538/2014-8; Coordination for the Improvement of Higher Education Personnel [CAPES] Procad [071/2013 # 144494]; Bill and Melinda Gates Foundation grant # OPP1137923. Portugal - CENTRO-01-0145-FEDER-000012: HealthyAgeing 2020 and CENTRO-01-0145-FEDER-000008: BrainHealth 2020.