1. Pneumology Department, University of Medicine and Pharmacy, 200349 Craiova, Romania
2. Pneumology Department, Victor Babes University Hospital Craiova, 200515 Craiova, Romania
3. Department of Pediatric and Adult Congenital Cardiology, University Hospital of Bordeaux, F-33600 Bordeaux, France
4. Department of Pneumology, “Marius Nasta” Institute of Pneumology, 050159 Bucharest, Romania
5. Department of Pulmonology, Faculty of Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
6. “Carol Davila” Faculty of Medicine, University of Medicine and Pharmacy, 050474 Bucharest, Romania
7. Department of General Surgery, “Dr. Ion Cantacuzino” Clinical Hospital, 022904 Bucharest, Romania
8. Pneumology Department, University of Medicine Carol Davila, 020021 Bucharest, Romania
9. Department of Biophysics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania