Publication info: J Public Health (Oxf). 2012 Mar; 34(1):108-14.PMID: 21745831External link: http://www.ncbi.nlm.nih.gov/pubmed/21745831Publication date: March, 2012Authors: Barbiere JM, Greenberg DC, Wright KA, Brown CH, Palmer C, Neal DE, Lyratzopoulos GPublication type: Paper