1. Department of Pneumology, Faculty of Medicine, “Ovidius” University of Constanta, 900470 Constanta, Romania
2. Clinical Emergency “St. Andrew” Hospital of Constanta, 900591 Constanta, Romania
3. Department of Anatomopathology, Faculty of Medicine, “Ovidius” University of Constanta, 900470 Constanta, Romania
4. Pneumology Hospital of Constanta, 900002 Constanta, Romania
5. Department of Anatomopathology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
6. Pneumology Institute “Marius Nasta”, 50158 Bucharest, Romania
7. Center for Research and Development of the Morphological and Genetic Studies of Malignant Pathology-CEDMOG, “Ovidius” University of Constanta, 900591 Constanta, Romania