1. Department of Psychiatry, Universidade Federal de Sao Paulo, Sao Paulo, Brazil
2. Translational Addictions Research Lab – Centre for Addiction and Mental Health, University of Toronto, Toronto, Canada
3. Division of Substance Abuse, New York State Psychiatric Institute, Columbia University, New York, NY, USA
4. Mental Health Department, Azienda Unitá Sanitaria Locale, Parma, Italy