1. Institute of Metallic Biomaterials Helmholtz-Zentrum Hereon Max-Planck-Str. 1 D-21502 Geesthacht Germany
2. Institute of Analytical Chemistry Leipziger Straße 29 D-09599 Freiberg Germany
3. Chair of Light Elements Engineering Foundry and Automation Wrocław University of Science and Technology W. Wyspianskiego 27 50-370 Wrocław Poland