1. Department of Experimental Physics University of Debrecen Debrecen Hungary
2. Institute for Solid State Physics and Optics Wigner Research Centre for Physics Budapest Hungary
3. Department of Information and Operating Systems and Technologies Uzhhorod National University Uzhhorod Ukraine
4. Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry University of Debrecen Debrecen Hungary
5. Institute of Immunology, Faculty of General Medicine University of Debrecen Debrecen Hungary