1. Cartilage Research, Department of Pathology, University of Erlangen-Nürnberg, Krankenhausstr. 8-10D-91054 Erlangen, FRG, Germany
2. Aventis Pharma Deutschland, Disease Group Osteoarthritis, Frankfurt, FRG, Germany
3. Institute SCAI, Fraunhofer-Gesellschaft, Schloss Birlinghoven, Sankt Augustin, Germany
4. Practical Informatics and Bioinformatics, Computer Science Department , University of Munich, FRG, Germany