| Authors: |
Nothacker J; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany., Stadelmaier J; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany., Siemens W; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.; Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany., Meerpohl JJ; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.; Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany., Schmucker C; Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany schmucker@ifem.uni-freiburg.de. |