1. National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience; King's College London; London UK
2. Department of General Practice; University of Melbourne; Victoria 3010 Australia
3. Department of Psychobiology, Centre Brasileiro of Information on Drugs; Universidade Federal de São Paulo; São Paulo Brazil
4. Gender Violence and Health Research Group, Department of Preventive Medicine; University of São Paulo; São Paulo Brazil