1. University Pulmonary Department-Interventional Unit, Ruhrland Clinic, University of Duisburg-Essen, Essen, Germany
2. Pulmonary Department-Oncology Unit, G. Papanikolaou General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. University Pulmonary Department-Interventional Unit, Ruhrland Clinic, University of Duisburg-Essen, Essen, Germany. .
4. Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras, Greece
5. Laboratory of Pharmacology, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
6. Laboratory of Hygiene & Environmental Protection & Regional Laboratory of Public Health, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
7. Oncology Department, University General Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece