aNational Koranyi Institute of Pulmonology, Budapest, Hungary

bDepartment of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary

cDepartment of Thoracic Surgery, Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria

dDepartment of Translational Medicine, Lund University, Lund, Sweden

Correspondence to Gyula Ostoros, MD, PhD, med. Habil, National Koranyi Institute of Pulmonology, 1121 Koranyi Frigyes ut 1, Budapest, Hungary. Tel: +36 1 391 3310; e-mail: [email protected] and Balazs Dome, MD, PhD, Department of Thoracic Surgery, Medical University of Vienna, 1090 Waehringer Guertel 18-20, Vienna, Austria. Tel: +43 1 40400 56200; e-mail: [email protected]