Orcutt Miriam, Spiegel Paul, Kumar Bernadette, Abubakar Ibrahim, Clark Jocalyn, Horton Richard
Institute for Global Health, University College London, London WC1N 1EH, UK.
Johns Hopkins Bloomberg School of Public Health and Johns Hopkins Center for Humanitarian Health, Baltimore, MD, USA.
Lancet. 2020 Feb 1;395(10221):317-319. doi: 10.1016/S0140-6736(20)30107-0.