1. Department of Pulmonary Diseases, Fachkrankenhaus Coswig, Centre for Pulmonary Diseases and Thoracic Surgery, Coswig, Germany
2. Department of Thoracic Surgery, Fachkrankenhaus Coswig, Centre for Pulmonary Diseases and Thoracic Surgery, Coswig, Germany
3. Gemeinschaftspraxis fur Pathologie, Dresden, Germany
4. Department of Pulmonary Diseases, Fachkrankenhaus Coswig, Centre for Pulmonary Diseases and Thoracic Surgery, Coswig, Germany and Department of Internal Medicine I, University Hospital Carl Gustav Carus Dresden, Dresden, Germany