Funding for this research was provided by:
Programa Nacional de Apoio à Atenção Oncológica (25000.056.023/2015-94)
Received: 22 July 2019
Accepted: 30 January 2020
First Online: 6 February 2020
Ethics approval and consent to participate
: The internal review board of the <i>Instituto de Medicina Integral Prof. Fernando Figueira</i> (IMIP) approved the study protocol under reference number 2.807.291. All participants of this study read and signed an informed consent form.
: Not applicable.
: The authors declare that they have no competing interests.