Authors: Kathy Pritchard-Jones; Christophe Bergeron; Beatriz de Camargo; Marry M van den Heuvel-Eibrink; Tomas Acha; Jan Godzinski; Foppe Oldenburger; Liliane Boccon-Gibod; Ivo Leuschner; Gordan Vujanic; Bengt Sandstedt; Jan de Kraker; Harm van Tinteren; Norbert Graf Journal: Lancet Date: 2015-07-09 Impact factor: 79.321