1. Department of Nursing Medical-Surgical, Federal University of State of Rio de Janeiro (UNIRIO), Brazil
2. Social Medicine Institute, State University Rio de Janeiro (UERJ), Brazil
3. Department of Psychiatry and Legal Medicine, Federal University of Rio Grande do Sul (UFRS), Brazil
4. Center for Drug and Alcohol Research, Federal University of Rio Grande do Sul (UFRGS), Brazil
5. Porto Alegre Clinical Hospital, Brazil
6. Institute of Psychiatry, Federal University of Rio de Janeiro, Brazil