Race and Resting-State Heart Rate Variability in brazilian civil servants and the mediating effects of discrimination: an ELSA-Brasil Cohort Study - Kemp, Andrew H; Koenig, Julian; Thayer, Julian F; Bittencourt, Márcio Sommer; Pereira, Alexandre C; Santos, Itamar de Souza; Dantas, Eduardo M; Mill, José G; Chor, Dora; Ribeiro, Antonio L P; Benseñor, Isabela M; Lotufo, Paulo Andrade (Psychosomatic Medicine, 2016)