Authors: Mario Raviǵlione, Ben J. Marais, Katherine Floyd, Knut Lönnroth, Haileyesus Getahun, Giovanni Battista Migliori, Anthony Harries, Paul Nunn, Christian Lienhardt, Steve Graham, Jeremiah Chakaya, Karin Weyer, Stewart T. Cole, Stefan H. E. Kaufmann, Alimuddin Zumla - The Lancet 2012 cited by 345