Authors: Jens Y Humrich; Henner Morbach; Reinmar Undeutsch; Philipp Enghard; Stefan Rosenberger; Olivia Weigert; Lutz Kloke; Juliane Heimann; Timo Gaber; Susan Brandenburg; Alexander Scheffold; Jochen Huehn; Andreas Radbruch; Gerd-Rüdiger Burmester; Gabriela Riemekasten Journal: Proc Natl Acad Sci U S A Date: 2009-12-14 Impact factor: 11.205