Authors: Matthew J. Armstrong, Piers Gaunt, Guruprasad P. Aithal, Darren Barton, Diana Hull, Richard Parker, Jonathan Hazlehurst, Kathy Guo, George Abouda, Mark Aldersley, Deborah Stocken, Stephen Gough, Jeremy Tomlinson, Rachel M. Brown, Stefan G. Hübscher, Philip N. Newsome - The Lancet 2015 cited by 2,125