About the Authors

Vania Celina Dezoti Micheletti

vaniadezoti@uol.com.br

Affiliation Postgraduate School of Pulmonology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil

Afrânio Lineu Kritski

Affiliation School of Medicine, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

José Ueleres Braga

Affiliation Department of Collective Health, Universidade Estadual do Rio de Janeiro; Public Health Researcher, Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VCDM ALK JUB. Performed the experiments: VCDM. Analyzed the data: VCDM ALK JUB. Contributed reagents/materials/analysis tools: VCDM ALK JUB. Wrote the paper: VCDM ALK JUB.