1. Department of Histology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Department of Medical Informatics and Biostatistics, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
3. Department of Histology, ‘Dunărea de Jos’ University of Galați, 80010 Galați, Romania
4. Department of Ophthalmology, ‘Ovidius’ University of Constanta, 900470 Constanta, Romania
5. Department of Biochemistry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania