1Department of Medical Oncology, University Hospital of Basel, Basel
2Swiss Group for Clinical Cancer Research (SAKK), Bern
3Department of Radiation Oncology, University Hospital of Zurich, Zurich
4Department of Thoracic Surgery, University Hospital of Zurich, Zurich
5Clinics for Thoracic Surgery, Bethanien, Zurich
6Department of Medical Oncology, University Hospital of Bern (Inselspital), Bern
7Department of Oncology, University Hospital of Geneva, Geneva
8Department of Oncology, Cantonal Hospital of Graubünden, Chur
9Clinics of Medical Oncology, Cantonal Hospital of Fribourg (HFR), Fribourg
10Clinics for Thoracic Surgery, Hôpital du Valais, Sion, Switzerland
11Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, USA
12Department of Medical Oncology, University Hospital of Zurich, Zurich
13Department of Medical Oncology, University Hospital of Lausanne (CHUV), Lausanne
14Department of Medical Oncology, Cantonal Hospital of Winterthur, Winterthur
15Department of Medical Oncology/Hematology, Cantonal Hospital of St. Gallen, St. Gallen, Switzerland
∗Correspondence to: Dr David König, Department of Medical Oncology, University Hospital of Basel, Petersgraben 4, 4031 Basel, Switzerland. Tel: +41-61-265-50-74; Fax: +41-61-265-53-16 david.koenig@usb.ch