[1] Uniklin Koln, Dept Internal Med 1, LCGC, Cologne, Germany
[2] Uniklin Koln, Dept Pathol, Cologne, Germany
[3] Uniklin Koln, Inst Pathol, Cologne, Germany
[4] Lungenklin Hemer, Lungcanc, Hemer, Germany
[5] Johanniter Krankenhaus Bonn, Oncol, Bonn, Germany
[6] Evangel Kliniken Johanniter & Waldkrankenhaus Bon, Thoraxchirurg, Bonn, Germany
[7] Kaiserswerther Diakonie, Klin Pneumol Allergol Schlaf & Beatmungsmed, Pneumol, Dusseldorf, Germany