University of Tübingen, Tübingen, Germany
University of Florence, Florence, Italy
Hospital Clínic de Barcelona, Barcelona, Spain
German Cancer Research Center, Heidelberg, Germany
German Cancer Research Center, Heidelberg, Germany
University Hospital Tuebingen, Tuebingen, Baden-Wuerttemberg, Germany
University Hospital Ulm, Ulm, Germany
University Hospital Augsburg, Augsburg, Germany
University Hospital Essen, Essen, Germany
German Cancer Research Center, Heidelberg, Germany
University Hospital Heidelberg, Internal Medicine V, Heidelberg, Germany
University Hospital Dresden, Department of Medicine I, Dresden, Germany
Robert-Bosch-Krankenhaus Stuttgart, Stuttgart, Germany
University Hospital Augsburg, Augsburg, Germany
Charité, Berlin, Germany