1. Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
2. Center for Drug and Alcohol Research, Collaborating Center on Alcohol and Drugs—HCPA/SENAD, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Rua Professor Álvaro Alvim, 400, 90420-020 Porto Alegre, RS, Brazil
3. Graduate Program in Chemistry, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9500, 90650-001 Porto Alegre, RS, Brazil