Daltro, Gildasio
Franco, Bruno Adelmo
Faleiro, Thiago Batista
Rosário, Davi Araujo Veiga
Daltro, Paula Braga
Fortuna, Vitor
Article History
Received: 14 February 2018
Accepted: 13 March 2018
First Online: 26 March 2018
Compliance with ethical standards
: The Committee of Ethics in Research of the Climério de Oliveira Maternity Hospital (Federal University of Bahia, UFBA) approved this study, and informed consent was obtained in accordance with ethical principles and the Helsinki Declaration of 1975, and by the Brazilian resolution 196/96, of the Ministry of Health, Law 6638/79 and Normative Resolution 04/97.
: The authors declare that they have no competing interests.