Family and community support, brain-derived neurotrophic factor, and cognitive performance in older adults: findings from the health, wellbeing and aging study population-based cohort - Souza-Talarico, Juliana Nery de; Bromberg, Elke; Santos, Jair Licio Ferreira; Freitas, Betania Souza; Silva, Diego Ferreira; Duarte, Yeda Aparecida de Oliveira (Frontiers in Behavioral Neuroscience, 2021)