Cumming Robert G, Handelsman David, Seibel Markus J, Creasey Helen, Sambrook Philip, Waite Louise, Naganathan Vasi, Le Couteur David, Litchfield Melisa
School of Public Health, ANZAC Research Institute, Concord Hospital, University of Sydney, NSW, Australia.
Int J Epidemiol. 2009 Apr;38(2):374-8. doi: 10.1093/ije/dyn071. Epub 2008 May 14.