1. Institute of Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany
2. Rudolf-Virchow-Center for Experimental Biomedicine, University of Wuerzburg, Josef-Schneider-Str. 2, 97080 Wuerzburg, Germany
3. Department for Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstrasse 11, 97074 Wuerzburg, Germany