Whitty Christopher J M, Mundel Trevor, Farrar Jeremy, Heymann David L, Davies Sally C, Walport Mark J
Clinical Research Department, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK.
Global Health Division, Bill & Melinda Gates Foundation, Seattle, WA, USA.
Lancet. 2015 Nov 7;386(10006):1797-8. doi: 10.1016/S0140-6736(15)00758-8.