Funding for this research was provided by:
Programa de Apoio ao Desenvolvimento Institucional do Sistema Único de Saúde (none)
Received: 30 May 2019
Accepted: 18 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: The study protocol had been performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committee for Medical Research on Human Beings of the Clinical Hospital from University of São Paulo Medical School (Protocol number SDC 2368/03/162).Signed informed consent was obtained from all participants.This study was retrospectively registered at ExternalRef removed (NTC02043431) in January 23, 2014.
: Not applicable. This manuscript does not contain any detail, images, or videos relating to an individual person.
: The authors declare that they have no competing interests.