1. Department of Internal Medicine, Division of Angiology, University of Debrecen Clinical Center, Debrecen, Hungary
2. Department of Operative Techniques and Surgical Research, University of Debrecen Clinical Center, Debrecen, Hungary
3. Department of Laboratory Medicine, University of Debrecen Clinical Center, Debrecen, Hungary
4. Department of Ophtalmology, University of Debrecen Clinical Center, Debrecen, Hungary