1. Institute
of Biochemistry, University of Münster, Wilhelm-Klemm-Str. 2, D-48149 Münster, Germany
2. Department
of Cell Biology, Institute of Anatomy, University of Bern, Baltzerstrasse
2, 3000 Bern 9, Switzerland
3. Organic Chemistry
Institute, University of Münster, Corrensstrasse 40, D-48149 Münster, Germany
4. Institute of Medical
Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, Von-Esmarch-Str. 56, D-48149 Münster, Germany