Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (001)
Text and Data Mining valid from 2019-03-12
Received: 11 October 2018
Accepted: 27 February 2019
First Online: 12 March 2019
Compliance with Ethical Standards
: The experiment was carried out in accordance with the Code of Ethics of the World Medical Association (Declaration of Helsinki) and was approved by the local Ethics Committee (CAAE#79356817.8.0000.5407). All participants were students or other staff of the University of São Paulo, Brazil. Informed consent was obtained from all participants prior to participation.
: The authors declare that they have no conflict of interest.