[1] Med Univ Vienna, Div Oncol, Dept Internal Med 1, Vienna, Austria
[2] Arnaldo Vieira de Carvalho Canc Inst, Sao Paulo, Brazil
[3] Mazowieckie Ctr Leczenia Chorob Pluc & Gruzlicy, Otwock, Poland
[4] Asklepios Fachkliniken Muenchen Gauting, Zentrum Onkol, Gauting, Germany
[5] Maria Sklodowska Curie Inst Oncol, Lung Canc & Thorac Tumours Dept, Warsaw, Poland
[6] Wielkopolskie Ctr Pulmonol & Torakochirurg, Dept Oncol, Poznan, Poland
[7] Univ Duisburg Essen, Dept Oncol, Essen, Germany
[8] San Camillo Forlanini Hosp, Thorac Oncol Unit 1, Rome, Italy
[9] Merck KGaA, Global Clin Dev Unit Oncol, Darmstadt, Germany
[10] Hosp Grosshansdorf, Dept Thorac Oncol, Grosshansdorf Hamburg, Germany