1. Department of Medical Biophysics, Pavol Jozef Šafárik University, Košice, Slovak Republic.
2. Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovak Republic.
3. Department of Pathological Anatomy, University of Veterinary Medicine, Košice, Slovak Republic.
4. Department of Biomedical Research, The East-Slovak Institute for Cardiovascular Diseases, Košice, Slovak Republic.