1. Matthias Stelljes, Utz Krug, Maria C. Sauerland, Achim Heinecke, Sandra Ligges, Tim Sauer, Petra Tschanter, Gabriela B. Thoennissen, Björna Berning, Carsten Müller-Tidow, Wolfgang E. Berdel, and Thomas Büchner, University Hospital of Muenster, Muenster; Dietrich W. Beelen, University Hospital of Essen, Essen; Jan Braess, Krankenhaus Barmherzige Brüder; Albrecht Reichle, Ernst Holler, University of Regensburg, Regensburg; Hans J. Kolb, Wolfgang Hiddeman, University of Munich-Grosshadern, Munich; Rainer...