About the Authors

Sebastião R. Ferreira-Filho

sebahferreira@gmail.com;

Affiliations Nefroclínica de Uberlândia, Minas Gerais, Brazil, Federal University of Uberlândia, Minas Gerais, Brazil

Gilberto R. Machado

Affiliations Nefroclínica de Uberlândia, Minas Gerais, Brazil, Federal University of Uberlândia, Minas Gerais, Brazil

Valéria C. Ferreira

Affiliation Nefroclínica de Uberlândia, Minas Gerais, Brazil

Carlos F. M. A. Rodrigues

Affiliation Nefroclínica de Uberlândia, Minas Gerais, Brazil

Thyago Proença de Moraes

Affiliation Center for Health and Biological Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil

José C. Divino-Filho

Affiliation Baxter Healthcare, Division of Baxter Novum and Renal Medicine, CLINTEC, Karolinska Institute, Stockholm, Sweden

Marcia Olandoski

Affiliation Center for Health and Biological Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil

Christopher McIntyre

Affiliation Faculty of Medicine & Health Sciences, University of Nottingham, Nottingham, United Kingdom,

Roberto Pecoits-Filho

Affiliation Center for Health and Biological Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil

on behalf of the BRAZPD study investigators

Competing Interests

Baxter Healthcare sponsored this study. During the data collection and analysis, JCDF was employed by Baxter. RPF received a consulting fee and speaker honorarium from Baxter Healthcare. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: SRFF GRM RPF. Performed the experiments: GRM SRFF. Analyzed the data: SRFF GRM VCF CFMAR CM TPM MO JCDF. Wrote the paper: SRFF GRM. These authors contributed with important points in the discussion: JCDF.