1. Department of Medicine V, University Hospital, Member of the German Center for Lung Research, LMU Munich, Ziemssenstraße 1, Munich 80336, Germany
2. Department of Thoracic Surgery, Thoracic Oncology Centre Munich, LMU Munich, Marchioninistraße 15, Munich 81337, Germany
3. Institute of Pathology, LMU Munich, Thalkirchner Straße 36, Munich 80337, Germany