1. Health School, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
2. René Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
3. Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
4. Onofre Lopes University Hospital of the Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
5. Brazilian National Cancer Institute, Rio de Janeiro, Brazil
6. Department of Demography and Actuarial Sciences of the Federal University of Rio Grande do Norte, Brazil
7. Institute of Social Sciences/Social Sciences Institute (ICS), Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil