1. Department of Inorganic and Analytical Chemistry; University of Debrecen; Egyetem tér 1 Debrecen 4032 Hungary
2. Department of Orthopaedic Surgery; University of Debrecen; Nagyerdei krt. 98 Debrecen 4012 Hungary
3. Department of Solid State Physics; University of Debrecen; Bem tér 18 Debrecen 4032 Hungary
4. Department of Applied Chemistry; University of Debrecen; Egyetem tér 1 Debrecen 4032 Hungary