1. U.M.F. Doctoral School Craiova, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Leamna Pulmonology Hospital, 207129 Leamna, Romania
3. Department of Psychiatry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Department of Orthodontics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
5. Department of Surgery, The Military Emergency Clinical Hospital ‘Dr. Stefan Odobleja’ Craiova, 200749 Craiova, Romania
6. Department of Neonatology, ‘Louis Ţurcanu’ Clinical Emergency Hospital for Children, 300011 Timişoara, Romania
7. Department of Pulmonology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania