Authors: Nathan Ford, Zara Shubber, Graeme Meintjes, Beatriz Grinsztejn, Serge Paul Eholié, Edward J. Mills, Mary‐Ann Davies, Marco Vitória, Martina Penazzato, Sabin Nsanzimana, Lisa Frigati, D. O’Brien, Tom Ellman, Olawale Ajose, Alexandra Calmy, Meg Doherty - The Lancet 2015 cited by 329