**Acknowledgements**

We dedicate this work to all the patients who participate in the STCC trial, some of them contributing to the creation of the Rio Chagas Association. We thank all the basic and the clinical groups´ members of the Selenium project: Maria Teresa Rivera, Jean Vanderpas, Andrea P. Souza, Bianca P. Olivieri, Solange L. de Castro, Gabriel M. Oliveira, and Andrea P. Souza. Constança Britto, Otacílio C. Moreira, Erica R. Maciel, Fernanda M. Carneiro, Sérgio S. Xavier, Priscila F. Santos, Henrique H. Veloso, Pedro E.A.A. Brasil, Andrea S. de Sousa, Paula S. da Silva and Luiz Henrique C. Sangenis. We also thank Catalent Brasil Ltda for supplying free-of-charge sodium selenite and placebo *The Saga of Selenium Treatment Investigation in Chagas Disease Cardiopathy: Translational… DOI: http://dx.doi.org/10.5772/intechopen.103772*

for the STCC study. T.C.A-J represents Fiocruz in the Ibero-American New Tools for the Diagnosis and Evaluation of CD (NHEPACHA) network. This work was supported by the Department of the Industrial Complex and Innovation in Health from the Brazilian Health Ministry (IOC Fiotec IOC-001-LIV-11-2-1; 25380.001603/2017-2089), the governmental agencies CNPq (306184/2010-9, 309545/2014-5;313011/2018-4), FAPERJ (E26/151.506/99; Protocol 33); and the Innovation and the Research Vice-Presidencies of Fiocruz. Students who participated in the project received fellowships from Coordenação de Aperfeiçoamento de Pessoal do Ensino Superior (CAPES) related to their respective Fiocruz post-graduation courses.
