1 Hospital Moinhos de Vento, Rua Ramiro Barcelos 910, Porto Alegre, RS, 90035-004, Brazil.
2 Department of Radiology and Oncology, Medical School, Universidade de São Paulo (USP), and Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brazil.
3 Department of Chronic Conditions and Sexually Transmitted Infections, Ministry of Health, Brasília, DF, Brazil.
4 Department of Preventive and Social Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
5 Hospital Moinhos de Vento, Rua Ramiro Barcelos 910, Porto Alegre, RS, 90035-004, Brazil. elianawend@gmail.com.
6 Department of Public Health, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil. elianawend@gmail.com.