Authors: Pierre Fenaux, Ghulam J. Mufti, Eva Hellström‐Lindberg, Valeria Santini, Carlo Finelli, Aristoteles Giagounidis, Robert Schoch, Norbert Gattermann, Guillermo Sanz, Alan F. List, Steven D. Gore, John F. Seymour, John M. Bennett, John C. Byrd, Jay T. Backstrom, Linda Zimmerman, David R. McKenzie, C.L. Beach, Lewis R. Silverman - The Lancet 2009 cited by 2,640