Funding for this research was provided by:
CAPES-CNPQ (476387/2013-2)
FIPE (13-0009)
Article History
Received: 9 May 2018
Accepted: 5 October 2018
First Online: 10 October 2018
Compliance with Ethical Standards
: <b>Conflict of interest</b>
: The authors hereby declare that there are no actual or potential conflicts of interest that may have affected the discussion presented.