1. Department of Ophthalmology, Kuopio University Hospital, 70210 Kuopio, Finland
2. Department of Ophthalmology, University of Eastern Finland, 70210 Kuopio, Finland
3. Institute of Biomedicine, University of Eastern Finland, Yliopistonranta 1, 70210 Kuopio, Finland
4. Health Promotion and Obesity Management Unit, Department of Pathophysiology, Faculty of Medical Sciences, Medical University of Silesia, 40-055 Katowice, Poland
5. Ophthalmology Department, Railway Hospital, 40-760 Katowice, Poland
6. Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
7. Clinical Department of Ophthalmology, II School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, 40-760 Katowice, Poland