Bird Sheila M, McAuley Andrew, Munro Alison, Hutchinson Sharon J, Taylor Avril
MRC Biostatistics Unit, Cambridge CB2 0SR, UK; Department of Mathematics and Statistics, Strathclyde University, Glasgow, UK.
Health Protection Scotland, Glasgow, UK; Institute for Applied Health Research, Glasgow Caledonian University, Glasgow, UK.
Lancet. 2017 Mar 11;389(10073):1005-1006. doi: 10.1016/S0140-6736(17)30656-6.