1. Department of Medical Informatics and Statistics with e-Health Lab, Medical University of Lublin, 20-059 Lublin, Poland
2. School of Public Health, Centre of Postgraduate Medical Education of Warsaw, 01-813 Warsaw, Poland
3. Department of General and Pediatric Ophtalmology, Medical University of Lublin, 20-059 Lublin, Poland
4. Faculty of Medicine, Medical University of Lublin, 20-059 Lublin, Poland
5. Department of Social Medicine and Public Health, Warsaw Medical University, 02-007 Warsaw, Poland
6. Department of Environmental Hazards Prevention, Allergology and Immunology, Medical University of Warsaw, 02-091 Warsaw, Poland
7. Department of Pharmacology and Clinical Pharmacology, Faculty of Medicine, Collegium Medicum, Cardinal Stefan Wyszyński University, 01-815 Warsaw, Poland