Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (100184/2015-4)
Received: 2 November 2017
Accepted: 16 October 2018
First Online: 26 October 2018
Ethics approval and consent to participate
: The Research Ethics Committee of HCB approved the study protocol (CEP/HCB no. 1.091.484/2015). Participants indicated their agreement to participate in the study via the electronic informed consent included in the survey form.
: Not applicable.
: All authors declare that they have no competing interests.
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