1. Department of Operative Techniques and Surgical Research, Institute of Surgery, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
2. Department of Pathology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
3. Department of Psychiatry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
4. Division of Organ Transplantation, Institute of Surgery, Faculty of Medicine, University of Debrecen, Debrecen, Hungary