DePina, Adilson José http://orcid.org/0000-0002-2403-5078
Dia, Abdoulaye Kane
de Ascenção Soares Martins, Antonieta
Ferreira, Maria Celina
Moreira, António Lima
Leal, Silvania Veiga
Pires, Cecílio Mendes
Moreira, Jaelsa Mira Gomes
Tavares, Maria Filomena
da Moura, Aires Januário Fernandes
Pereira, José Manuel
Faye, Ousmane
Seck, Ibrahima
Niang, El Hadji Amadou
Article History
Received: 21 January 2019
Accepted: 9 June 2019
First Online: 1 July 2019
Ethics approval and consent to participate
: The study was approved by the National Ethics and Health Research Committee (CNEPS, <i>in Portuguese</i>), in accordance with resolution 18/2017. All respondents provided written informed consent after receiving detailed description of the study. Eligible participants were consented in privacy and no incentives were given. Anonymity of the respondents was ensured in all stages of data analysis.
: Not Applicable.
: The authors declare that they have no competing interests.