Bernays Sarah, Jarrett Prudence, Kranzer Katharina, Ferrand Rashida A
London School of Hygiene and Tropical Medicine, London, UK.
University of Manchester Medical School, Manchester, UK.
Lancet. 2014 Apr 12;383(9925):1355-1357. doi: 10.1016/S0140-6736(13)62328-4. Epub 2014 Feb 13.