Authors: Thomas Santarius, Peter J. Kirkpatrick, Dharmendra Ganesan, Hui Ling Chia, Ibrahim Jalloh, Peter Smielewski, Hugh K. Richards, Hani J. Marcus, Richard Parker, Stephen J. Price, Ramez Kirollos, John D. Pickard, Peter J. Hutchinson - The Lancet 2009 cited by 714