1. Associate Researcher, Center for Drug and Alcohol Research, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
2. Assistant Professor, Center for Applied Research on Substance Abuse and Health Disparities (ARSH), Nova Southeastern University, Miami, FL, USA
3. Assistant Professor, Department of Justice and Human Services, Nova Southeastern University, Miami, FL, USA
4. Professor/Director, Center for Applied Research on Substance Abuse and Health Disparities (ARSH), Nova Southeastern University, Miami, FL, USA
5. Associate Professor, Center for Health Services Research, University of Kentucky, Lexington, KY, USA
6. Associate Professor, Department of Internal Medicine, University of Kentucky, Lexington, KY, USA
7. Associate Professor/Director, Center for Drug and Alcohol Research, Federal University of Rio Grande do Sul, Porto Alegre, Brazil