Authors: Jon F R Barrett; Mary E Hannah; Eileen K Hutton; Andrew R Willan; Alexander C Allen; B Anthony Armson; Amiram Gafni; K S Joseph; Dalah Mason; Arne Ohlsson; Susan Ross; J Johanna Sanchez; Elizabeth V Asztalos Journal: N Engl J Med Date: 2013-10-03 Impact factor: 91.245