1. Department of Clinical and Experimental Psychology; University of Huelva; Huelva Spain
2. Research Center on Natural Resources; Health and the Environment, University of Huelva; Huelva Spain
3. Drug Policy Modelling Program, National Drug and Alcohol Research Centre; UNSW Australia; Sydney Australia
4. National Drug Research Institute, Faculty of Health Sciences; Curtin University; Perth Australia
5. Behaviours and Health Risks Program; Burnet Institute; Melbourne Australia
6. Department of Population Health; New York University Langone Medical Center; New York USA