Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado da Bahia (no 014 2013 (PET0023/2013))
Conselho Nacional de Desenvolvimento Científico e Tecnológico (PROEP/CPqGM process 400904/2013-6)
Text and Data Mining valid from 2019-12-01
Received: 23 July 2019
Accepted: 10 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: The adopted procedures were in accordance with the ethical standards of the Research Ethics Committee of the Gonçalo Moniz Institute (FIOCRUZ, Bahia, Brazil, no. 2.552.284) and with the Helsinki Declaration of 1964, revised in 1975, 1983, 1989, 1996 and 2000. The consent form was waived because the analysis was based on a state surveillance service of Bahia, Brazil. However, no personal identification data were used to ensure the complete anonymity of the participants.
: Not applicable.
: The authors declare that they have no competing interests.