1. Pathophysiology Department, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mures, 540139 Targu Mures, Romania
2. Pneumology Department, Mures Clinical County Hospital, 540142 Targu Mures, Romania
3. Neonatology Department, Titu Maiorescu University, 040441 Bucharest, Romania
4. Palliative Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania
5. Faculty of Medicine, Titu Maiorescu University, 67A Gheorghe Petrascu Str., 031593 Bucharest, Romania
6. Occupational Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania
7. Pathology Department, Mures Clinical County Hospital, 540142 Targu Mures, Romania
8. Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mures, 540139 Targu Mures, Romania