1. Department of Pharmacology and Toxicology, Faculty of Pharmacy; Comenius University in Bratislava; Bratislava Slovakia
2. Department of Neonatology; Teaching Hospital Nitra; Nitra Slovakia
3. Department of Neonatology; Children's University Hospital; Bratislava Slovakia
4. Department of Pharmacology and Clinical Pharmacology, Faculty of Medicine; Comenius University in Bratislava; Bratislava Slovakia