1. Institute of Diagnostic and Interventional Radiology, Goethe University Hospital Frankfurt, 60596 Frankfurt am Main, Germany
2. Doctoral School, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
3. Department of Pneumology, Faculty of Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
4. Department of Internal Medicine, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
5. Department of Bacteriology-Virology-Parasitology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
6. Department of Pathophysiology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
7. Department of Medical Rehabilitation, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania