Resume
This work is cataloged in the Scientific Portal. Officially published in Ciência & Saúde Coletiva (2019). Referenced as: "Nuno Marques de Paiva; Fernanda Daniel; Alexandre Gomes da Silva; Henrique Testa Vicente; Paiva,Nuno Marques de; Daniel,Fernanda; Silva,Alexandre Gomes da; Vicente,Henrique Testa".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.1590/1413-81232018244.08902017