Authors: Michel P. Coleman, D Forman, Heather Bryant, J. Butler, Bernard Rachet, Camille Maringe, Ula Nur, Elizabeth Tracey, Michael Coory, Juanita Hatcher, C E McGahan, Donna Turner, Loraine D. Marrett, ML Gjerstorff, T.B. Johannesen, Jan Adolfsson, Mats Lambe, Gill Lawrence, David Meechan, Morris Ej, Richard Middleton, John Steward, MA Richards - The Lancet 2010 cited by 1,130