1. Department of Neonatology, University Hospital in Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovak Republic
2. Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovak Republic
3. Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovak Republic
4. Department of Ophthalmology, University Hospital in Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovak Republic