1. Department of Surgery, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Pharmacoeconomics and Statistical Analysis in Clinical Trials and Pharmaceutical Research, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
3. Department of Hematology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Department of Interventional Cardiology, Prof. Dr. C. C. Iliescu Emergency Institute for Cardiovascular Diseases, 022328 Bucharest, Romania
5. Department of Pulmonology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania