Dickens Borame L, Koo Joel R, Wilder-Smith Annelies, Cook Alex R
Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore.
Department of Disease Control, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK.
Lancet. 2020 May 16;395(10236):1541-1542. doi: 10.1016/S0140-6736(20)31016-3. Epub 2020 Apr 29.