1. Faculty of Medicine, ‘Ovidius’ University of Constanta, 900470 Constanta, Romania
2. Faculty of Pharmacy, ‘Ovidius’ University of Constanta, 900470 Constanta, Romania
3. Faculty of Medicine, ‘Dunarea de Jos’ University, 800010 Galati, Romania
4. Faculty of Medical Dentistry, ‘Carol Davila’ University of Medicine and Pharmacy, 010221 Bucharest, Romania