1Department of Medicine I, Medical University Vienna, Vienna, Austria
2Arnaldo Vieira de Carvalho Cancer Institute, Onco-Pneumology, São Paulo, Brazil
3Asklepios Fachkliniken, München-Gauting, Germany
4Maria Sklodowska-Curie Institute of Oncology, Warsaw, Poland
5Wielkopolskie Centrum Pulmonologii i Torakochirurgii, Poznan University of Medical Sciences, Poznan, Poland
6Samsung Medical Centre, Sungkyunkwan University School of Medicine, Seoul, South Korea
71st Oncological Pulmonary Unit, San Camillo-Forlanini Hospital, Rome, Italy
8Department of Medicine (Cancer Research), West German Tumor Centre, University of Duisburg-Essen, Essen, Germany
9Instituto de Biomedicina de Sevilla and Hospital Universitario Virgen del Rocio, Seville, Spain
10HELIOS Hospital Wuppertal, University Witten/Herdecke, Wuppertal, Germany
11Merck KGaA, Darmstadt, Germany
12St James's Hospital, Dublin, Ireland