Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88882.183280/2018-01)
Received: 22 October 2018
Revised: 28 May 2019
Accepted: 2 July 2019
First Online: 29 July 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.