Authors: Onyebuchi Okosieme, Peter Taylor, Carol Evans, Daniel Thayer, Aaron Chai, Ishrat Khan, Mohd Shazli Draman, Brian P. Tennant, John Geen, Adrian Sayers, Robert M. French, John H. Lazarus, Lakdasa Premawardhana, Colin Dayan - The Lancet 2019 cited by 130