Funding for this research was provided by:
National Institutes of Health (P41 GM103533-22)
National Institute of Mental Health (5 R01 MH067880-14)
MCTIC/FNDCT-CNPq/ MEC-CAPES/ MS-Decit (440763/2016-9)
Received: 19 August 2018
Accepted: 25 October 2018
First Online: 30 October 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: The study was approved by the institutional research ethics committee of Hospital de Clínicas de Porto Alegre (Federal University of Rio Grande do Sul) under protocol # 2018-0059.