Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado da Bahia (PRONEM 010/2014)
Text and Data Mining valid from 2019-04-15
Received: 4 January 2019
Accepted: 2 April 2019
First Online: 15 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the Declaration of Helsinki of 1964 and its later amendments or comparable ethical standards. The study was approved by the Research Ethics Committee of the Bahiana School of Medicine and Public Health (CAAE: 58851916.9.0000.5544) and registered at ExternalRef removed (NTR: 03048799) as a randomized clinical trial preceded by a pilot study.
: Informed consent was obtained from the patients included in the study.