1. Netherlands Cancer Registry; Comprehensive Cancer Centre The Netherlands; Eindhoven The Netherlands
2. Department of Pulmonary Diseases; Catharina Hospital; Eindhoven The Netherlands
3. Department of Pulmonary Diseases; Jeroen Bosch Hospital; 's-Hertogenbosch The Netherlands
4. Department of Pulmonary Diseases; TweeSteden Hospital and St. Elisabeth Hospital; Tilburg The Netherlands
5. Department of Pulmonary Diseases; Amphia Hospital; Breda The Netherlands
6. Department of Pulmonary Diseases; Erasmus Medical Center Rotterdam; Rotterdam The Netherlands
7. Department of Public Health; Erasmus Medical Center Rotterdam; Rotterdam The Netherlands