University of Bonn, University of Bonn, University of Bonn, University Hospital Regensburg, University of Bonn, European Molecular Biology Laboratory (EMBL) - Germany, Hannover Medical School, University of Bonn, University of Bonn, RWTH Aachen University - RWTH University Hospital Aachen, University of Cologne, Hannover Medical School, University of Bonn, University of Bonn and Independent