[1] Univ Klinikum Leipzig, Univ Krebszentrum UCCL, Liebigstr 7, D-04103 Leipzig, Germany
[2] Krankenhaus NW Frankfurt, Frankfurt, Germany
[3] Univ Med Mannheim, Mannheim, Germany
[4] Klinikums Rechts Isar, Med Klin 3, Munich, Germany
[5] Charite, CVK, Charite Ctr Tumormed CC14, Berlin, Germany
[6] Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Inst Pathol, Dresden, Germany
[7] Charite, Inst Pathol, Campus Mitte, Berlin, Germany
[8] Pathol Inst Mannheim, Mannheim, Germany
[9] Univ Munich, Inst Pathol, Munich, Germany
[10] Hannover Med Sch, Inst Pathol, Hannover, Germany
[11] Uniklin Koln, Inst Pathol, Cologne, Germany
[12] Univ Kiel, Inst Pathol, Kiel, Germany
[13] Targos GmbH, Inst Pathol Nordhessen, Kassel, Germany
[14] Ruhr Univ Bochum, Inst Pathol, Georgius Agr Stiftung Ruhr, Berufsgenossenschaftlichen Univ Klinikum, Bochum, Germany