About the Authors

Franciele R. Figueira

Affiliations Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil, Postgraduate Program in Endocrinology, Universidade Federal do Rio Grande do Sul,Porto Alegre, Rio Grande do Sul, Brazil

Daniel Umpierre

Affiliations Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil, Postgraduate Program in Cardiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil

Karina R. Casali

Affiliations Postgraduate Program in Endocrinology, Universidade Federal do Rio Grande do Sul,Porto Alegre, Rio Grande do Sul, Brazil, Instituto de Cardiologia/Fundação Universitária de Cardiologia do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil

Pedro S. Tetelbom

Affiliation Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil

Nicoli T. Henn

Affiliation Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil

Jorge P. Ribeiro

† Deceased.

Dr. Jorge Pinto Ribeiro passed away on the 23rd of August 2012. Although he had been fully involved in conception and design of the study, data analysis, and interpretation, the final version of this document is responsibility of the other authors.

Affiliations Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil, Postgraduate Program in Cardiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil, Department of Internal Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil

Beatriz D. Schaan

beatrizschaan@gmail.com

Affiliations Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil, Postgraduate Program in Endocrinology, Universidade Federal do Rio Grande do Sul,Porto Alegre, Rio Grande do Sul, Brazil, Postgraduate Program in Cardiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil, Department of Internal Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil

Competing Interests

Dr. Ribeiro has received consulting and lecturing fees as well as grant support from the following companies: Abbott, Aventis, Boehringer Ingelheimer, Bioassist, Bristol-Myers Squibb, Merck, Sharp & Dohme, and Servier. All other authors have no conflict of interest to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: FRF DU BDS. Performed the experiments: FRF PST NTH. Analyzed the data: FRF DU PST NTH KRC JPR BDS. Wrote the paper: FRF DU BDS KRC.