McEvoy Mark, Smith Wayne, D'Este Catherine, Duke Janine, Peel Roseanne, Schofield Peter, Scott Rodney, Byles Julie, Henry David, Ewald Ben, Hancock Stephen, Smith Derek, Attia John
Centre for Clinical Epidemiology & Biostatistics, School of Medicine & Public Health, The University of Newcastle, Newcastle, NSW, Australia.
Int J Epidemiol. 2010 Dec;39(6):1452-63. doi: 10.1093/ije/dyp343. Epub 2010 Jan 7.