Shift work, job strain, and metabolic syndrome: Cross-sectional analysis of ELSA-Brasil - Santos, Aline E; Araújo, Larissa Fortunato; Griep, Rosane H; Moreno, Claudia Roberta de Castro; Chor, Dora; Barreto, Sandhi M; Giatti, Luana (American Journal of Industrial Medicine, 2018)