1. Department of Pulmonary Medicine, Erasmus MC, SV-125, PO-Box 2040, 3000 CA Rotterdam, The Netherlands.
2. Department of Pulmonary Medicine, Erasmus MC, SV-125, PO-Box 2040, 3000 CA Rotterdam, The Netherlands
3. Department of Thoracic Surgery, Erasmus Medical Center – Daniel den Hoed Cancer Center, University Medical Center, Rotterdam, The Netherlands