1. Department of Medical Biophysics, Pavol Jozef Šafárik University, Košice, Slovak Republic.
2. First Department of Anesthesiology and Intensive Medicine, Pavol Jozef Šafárik University and Louise Pasteur University Hospital, Košice, Slovak Republic.
3. Department for Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, Košice, Slovak Republic.
4. Department of Forensic Medicine, Pavol Jozef Šafárik University, Košice, Slovak Republic.
5. Clinic of Heart Surgery, Pavol Jozef Šafárik University and East-Slovak Institute of Cardiovascular Diseases, Košice, Slovak Republic.
6. Department of Pathological Anatomy, University of Veterinary Medicine and Pharmacy, Košice, Slovak Republic.