Received: 27 April 2019
Accepted: 6 June 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee by the Ribeirão Preto Nursing School, University of São Paulo, Ribeirão Preto, Brazil, number 64803917.6.0000.5393.All study participants signed the informed consent form.
: not applicable.
: The authors declare that they have no competing interests.