1. Department of Population Health, Division of Epidemiology NYU Grossman School of Medicine New York USA
2. Millennium Nucleus for the Evaluation and Analysis of Drug Policies nDP Santiago Chile
3. Society and Health Research Center and School of Public Health Universidad Mayor Santiago Chile
4. Violence Prevention Research Program, Department of Emergency Medicine UC Davis School of Medicine Sacramento USA
5. Department of Epidemiology, Mailman School of Public Health Columbia University New York USA
6. National Drug Observatory of Uruguay National Drug Board Montevideo Uruguay
7. Department of Social Sciences Universidad Católica del Uruguay Montevideo Uruguay