[1] Heidelberg Univ Hosp, Dept Thorac Oncol, Heidelberg, Germany
[2] NCT Heidelberg, Natl Ctr Tumor Dis, Heidelberg, Germany
[3] TLRC H, Heidelberg, Germany
[4] German Ctr Lung Res, Heidelberg, Germany
[5] German Ctr Lung Res DZL, Lungen Clin Grosshansdorf, Airway Res Ctr North ARCN, Grosshansdorf, Germany
[6] Evangel Lungenklin Berlin, Klin Pneumol, Berlin, Germany
[7] Evang Kliniken Essen Mitte, Dept Med Oncol, Essen, Germany
[8] Klinikum Stadt Koln gGmbH, Cologne, Germany
[9] Univ Hosp Dresden, Clin Internal Med 1, Dresden, Germany
[10] Charite Univ Med Berlin, Berlin, Germany
[11] Free Univ Berlin, Berlin, Germany
[12] Humboldt Univ, Berlin, Germany
[13] Berlin Inst Hlth, Berlin, Germany
[14] Klin Schillerhohe, Robert Bosch Ctr Tumorerkrankungen, Stuttgart, Germany
[15] Klinikum Esslingen GmbH, Dept Pneumol, Esslingen, Germany
[16] Univ Med Oldenburg, Univ Dept Internal Med Oncol, Pius Hosp, Dept Hematol & Oncol, Oldenburg, Germany
[17] Univ Klin Innere Med Onkol, PIUS Hosp Oldenburg, Oldenburg, Germany
[18] Franziskus Hosp Harderberg, Dept Oncol, Niels Stensen Kliniken, Georgsmarienhutte, Germany
[19] SLK Fachklin Lowenstein, Lowenstein, Germany
[20] Sapienza Univ Rome, Dept Med Oncol, Policlin Umberto 1, Rome, Italy