Low impact of traditional risk factors on carotid intima-media thickness: the ELSA-Brasil cohort - Santos, Itamar S; Alencar, Airlane Pereira; Rundek, Tatjana; Goulart, Alessandra Carvalho; Barreto, Sandhi M; Pereira, Alexandre C; Benseñor, Isabela M; Lotufo, Paulo A (Arteriosclerosis, Thrombosis, and Vascular Biology, 2015)