[1] Univ Hosp Heidelberg, Translat Lung Res Ctr Heidelberg TLRC H, German Ctr Lung Res DZL, Dept Thorac Oncol,Thorac Clin, Heidelberg, Germany
[2] Univ Hosp Heidelberg, Dept Gen Practice & Hlth Serv Res, Heidelberg, Germany
[3] Univ Hosp Heidelberg, Inst Med Biometry & Informat, Heidelberg, Germany
[4] Med Sch Berlin, Calandrellistr 1-9, D-12247 Berlin, Germany
[5] Heidelberg Univ, Med Fac, Inst Commun & Assessment Res, Heidelberg, Germany