[1] Virga Jesse Ziekenhuis, Dept Pulmonol & Thorac Oncol, Hasselt, Belgium
[2] AstraZeneca Nv Sa, Dept Med, Oncol, Groot Bijgaarden, Belgium
[3] AZ Delta, Dept Pulm Dis, Roeselare, Belgium
[4] UZ Brussel, Oncol Ctr, Dept Med Oncol, Jette, Belgium
[5] Grand Hop Charleroi, Dept Pneumol & Thorac Oncol, Charleroi, Belgium
[6] AZ Nikolaas, Pneumol, St Niklaas, Belgium
[7] Univ Hosp Antwerp UZA, Dept Pulmonol & Thorac Oncol, Edegem, Belgium
[8] Univ Hosp Antwerp UZA, Pathol Dept, Edegem, Belgium
[9] ZNA Middelheim, Pneumol, Antwerp, Belgium
[10] Catholic Univ Louvain, Clin Univ St Luc, Dept Pulmonol, Brussels, Belgium