[1] Univ Hosp Heidelberg, Inst Pathol, Heidelberg, Germany
[2] German Canc Consortium DKTK, Heidelberg Partner Site, Heidelberg, Germany
[3] German Ctr Lung Res DZL, Heidelberg Partner Site, Heidelberg, Germany
[4] Lausanne Univ Hosp, Dept Oncol, Lausanne, Switzerland